1057266 has 32 divisors (see below), whose sum is σ = 2686080. Its totient is φ = 301968.

The previous prime is 1057249. The next prime is 1057271. The reversal of 1057266 is 6627501.

It is a super-2 number, since 2×1057266² = 2235622789512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021 + ... + 1776.

It is an arithmetic number, because the mean of its divisors is an integer number (83940).

2^1057266 is an apocalyptic number.

1057266 is an abundant number, since it is smaller than the sum of its proper divisors (1628814).

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

1057266 is a wasteful number, since it uses less digits than its factorization.

1057266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2809 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1057266 is about 1028.2344090722. The cubic root of 1057266 is about 101.8735457155.

The spelling of 1057266 in words is "one million, fifty-seven thousand, two hundred sixty-six".