1931056 has 10 divisors (see below), whose sum is σ = 3741452. Its totient is φ = 965520.

The previous prime is 1931053. The next prime is 1931093. The reversal of 1931056 is 6501391.

It is a self number, because there is not a number n which added to its sum of digits gives 1931056.

It is not an unprimeable number, because it can be changed into a prime (1931051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60330 + ... + 60361.

2^1931056 is an apocalyptic number.

1931056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1931056 is a deficient number, since it is larger than the sum of its proper divisors (1810396).

1931056 is a wasteful number, since it uses less digits than its factorization.

1931056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120699 (or 120693 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1931056 is about 1389.6244096877. The cubic root of 1931056 is about 124.5274101893.

The spelling of 1931056 in words is "one million, nine hundred thirty-one thousand, fifty-six".