1057407 has 16 divisors (see below), whose sum is σ = 1599360. Its totient is φ = 616032.

The previous prime is 1057393. The next prime is 1057411. The reversal of 1057407 is 7047501.

It is not a de Polignac number, because 1057407 - 2⁴ = 1057391 is a prime.

It is a super-2 number, since 2×1057407² = 2236219127298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28 + ... + 1454.

It is an arithmetic number, because the mean of its divisors is an integer number (99960).

2^1057407 is an apocalyptic number.

1057407 is a deficient number, since it is larger than the sum of its proper divisors (541953).

1057407 is a wasteful number, since it uses less digits than its factorization.

1057407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 1057407 is about 1028.3029709186. The cubic root of 1057407 is about 101.8780742294.

The spelling of 1057407 in words is "one million, fifty-seven thousand, four hundred seven".