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1201002301 = 1225398017
BaseRepresentation
bin100011110010101…
…1101011100111101
310002200220020102201
41013211131130331
54424424033201
6315101351501
741522231302
oct10745353475
93080806381
101201002301
11566a30894
12296268591
13161a85765
14b57110a9
1570687801
hex4795d73d

1201002301 has 4 divisors (see below), whose sum is σ = 1201112572. Its totient is φ = 1200892032.

The previous prime is 1201002287. The next prime is 1201002311. The reversal of 1201002301 is 1032001021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1032001021 = 1109930569.

It can be written as a sum of positive squares in 2 ways, for example, as 910470276 + 290532025 = 30174^2 + 17045^2 .

It is a 4-Lehmer number, since φ(1201002301) divides (1201002301-1)4.

It is a cyclic number.

It is not a de Polignac number, because 1201002301 - 211 = 1201000253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201002311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36756 + ... + 61261.

It is an arithmetic number, because the mean of its divisors is an integer number (300278143).

Almost surely, 21201002301 is an apocalyptic number.

It is an amenable number.

1201002301 is a deficient number, since it is larger than the sum of its proper divisors (110271).

1201002301 is an equidigital number, since it uses as much as digits as its factorization.

1201002301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110270.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1201002301 is about 34655.4801005555. The cubic root of 1201002301 is about 1062.9543489996.

Adding to 1201002301 its reverse (1032001021), we get a palindrome (2233003322).

The spelling of 1201002301 in words is "one billion, two hundred one million, two thousand, three hundred one".

Divisors: 1 12253 98017 1201002301