1156102157 has 4 divisors (see below), whose sum is σ = 1321259616. Its totient is φ = 990944700.

The previous prime is 1156102097. The next prime is 1156102223. The reversal of 1156102157 is 7512016511.

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.

It is a cyclic number.

It is not a de Polignac number, because 1156102157 - 2¹⁴ = 1156085773 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 (1156102457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82578719 + ... + 82578732.

It is an arithmetic number, because the mean of its divisors is an integer number (330314904).

Almost surely, 2^1156102157 is an apocalyptic number.

It is an amenable number.

1156102157 is a deficient number, since it is larger than the sum of its proper divisors (165157459).

1156102157 is an equidigital number, since it uses as much as digits as its factorization.

1156102157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165157458.

The product of its (nonzero) digits is 2100, while the sum is 29.

The square root of 1156102157 is about 34001.5022756348. The cubic root of 1156102157 is about 1049.5393767953.

Adding to 1156102157 its reverse (7512016511), we get a palindrome (8668118668).

The spelling of 1156102157 in words is "one billion, one hundred fifty-six million, one hundred two thousand, one hundred fifty-seven".