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1201042201 = 6717926003
BaseRepresentation
bin100011110010110…
…0111001100011001
310002200222021011111
41013211213030121
54424431322301
6315102300321
741522455522
oct10745471431
93080867144
101201042201
11566a58867
122962876a1
13161a9a978
14b5721849
1570694551
hex47967319

1201042201 has 4 divisors (see below), whose sum is σ = 1218968272. Its totient is φ = 1183116132.

The previous prime is 1201042187. The next prime is 1201042253. The reversal of 1201042201 is 1022401021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1022401021 = 5867174263.

It is a cyclic number.

It is not a de Polignac number, because 1201042201 - 29 = 1201041689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201042261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8962935 + ... + 8963068.

It is an arithmetic number, because the mean of its divisors is an integer number (304742068).

Almost surely, 21201042201 is an apocalyptic number.

It is an amenable number.

1201042201 is a deficient number, since it is larger than the sum of its proper divisors (17926071).

1201042201 is an equidigital number, since it uses as much as digits as its factorization.

1201042201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17926070.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1201042201 is about 34656.0557623051. The cubic root of 1201042201 is about 1062.9661201147.

Adding to 1201042201 its reverse (1022401021), we get a palindrome (2223443222).

The spelling of 1201042201 in words is "one billion, two hundred one million, forty-two thousand, two hundred one".

Divisors: 1 67 17926003 1201042201