1956131 has 8 divisors (see below), whose sum is σ = 2044800. Its totient is φ = 1869120.

The previous prime is 1956109. The next prime is 1956161. The reversal of 1956131 is 1316591.

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

It is a cyclic number.

It is not a de Polignac number, because 1956131 - 2¹⁸ = 1693987 is a prime.

It is a super-2 number, since 2×1956131² = 7652896978322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1956131.

It is not an unprimeable number, because it can be changed into a prime (1956161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2405 + ... + 3113.

It is an arithmetic number, because the mean of its divisors is an integer number (255600).

2^1956131 is an apocalyptic number.

1956131 is a deficient number, since it is larger than the sum of its proper divisors (88669).

1956131 is an equidigital number, since it uses as much as digits as its factorization.

1956131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its digits is 810, while the sum is 26.

The square root of 1956131 is about 1398.6175317077. The cubic root of 1956131 is about 125.0640951289.

The spelling of 1956131 in words is "one million, nine hundred fifty-six thousand, one hundred thirty-one".