Search a number
-
+
1201012229 = 2357790499
BaseRepresentation
bin100011110010101…
…1111111000000101
310002200220202001102
41013211133320011
54424424342404
6315101505445
741522302244
oct10745377005
93080822042
101201012229
11566a3829a
12296272285
13161a8a131
14b571495b
157068a71e
hex4795fe05

1201012229 has 8 divisors (see below), whose sum is σ = 1255416000. Its totient is φ = 1146790656.

The previous prime is 1201012223. The next prime is 1201012237. The reversal of 1201012229 is 9222101021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1201012229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201012229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201012223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31979 + ... + 58520.

It is an arithmetic number, because the mean of its divisors is an integer number (156927000).

Almost surely, 21201012229 is an apocalyptic number.

It is an amenable number.

1201012229 is a deficient number, since it is larger than the sum of its proper divisors (54403771).

1201012229 is an equidigital number, since it uses as much as digits as its factorization.

1201012229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91099.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1201012229 is about 34655.6233387888. The cubic root of 1201012229 is about 1062.9572779370.

The spelling of 1201012229 in words is "one billion, two hundred one million, twelve thousand, two hundred twenty-nine".

Divisors: 1 23 577 13271 90499 2081477 52217923 1201012229