1117956 has 24 divisors (see below), whose sum is σ = 2981440. Its totient is φ = 319392.

The previous prime is 1117943. The next prime is 1117967. The reversal of 1117956 is 6597111.

1117956 = T₂₃₁ + T₂₃₂ + ... + T₂₆₆.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 6571 + ... + 6738.

2^1117956 is an apocalyptic number.

It is an amenable number.

1117956 is an abundant number, since it is smaller than the sum of its proper divisors (1863484).

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

1117956 is a wasteful number, since it uses less digits than its factorization.

1117956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13323 (or 13321 counting only the distinct ones).

The product of its digits is 1890, while the sum is 30.

The square root of 1117956 is about 1057.3343841945. The cubic root of 1117956 is about 103.7866682214.

The spelling of 1117956 in words is "one million, one hundred seventeen thousand, nine hundred fifty-six".