1137156 has 24 divisors (see below), whose sum is σ = 2672544. Its totient is φ = 376320.

The previous prime is 1137139. The next prime is 1137161. The reversal of 1137156 is 6517311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2071 + ... + 2561.

It is an arithmetic number, because the mean of its divisors is an integer number (111356).

2^1137156 is an apocalyptic number.

It is an amenable number.

1137156 is an abundant number, since it is smaller than the sum of its proper divisors (1535388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1137156 is a wasteful number, since it uses less digits than its factorization.

1137156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 689 counting only the distinct ones).

The product of its digits is 630, while the sum is 24.

The square root of 1137156 is about 1066.3751685031. The cubic root of 1137156 is about 104.3774499527.

Adding to 1137156 its product of digits (630), we get a triangular number (1137786 = T₁₅₀₈).

The spelling of 1137156 in words is "one million, one hundred thirty-seven thousand, one hundred fifty-six".