1057172 has 12 divisors (see below), whose sum is σ = 1930656. Its totient is φ = 505560.

The previous prime is 1057163. The next prime is 1057181. The reversal of 1057172 is 2717501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1057163) and next prime (1057181).

It is a super-2 number, since 2×1057172² = 2235225275168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5654 + ... + 5837.

It is an arithmetic number, because the mean of its divisors is an integer number (160888).

2^1057172 is an apocalyptic number.

It is an amenable number.

1057172 is a deficient number, since it is larger than the sum of its proper divisors (873484).

1057172 is a wasteful number, since it uses less digits than its factorization.

1057172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11518 (or 11516 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 1057172 is about 1028.1886986346. The cubic root of 1057172 is about 101.8705264825.

The spelling of 1057172 in words is "one million, fifty-seven thousand, one hundred seventy-two".