1051564 has 12 divisors (see below), whose sum is σ = 1853488. Its totient is φ = 522000.

The previous prime is 1051559. The next prime is 1051571. The reversal of 1051564 is 4651501.

It is a super-2 number, since 2×1051564² = 2211573692192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam 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, 267 + ... + 1474.

2^1051564 is an apocalyptic number.

It is an amenable number.

1051564 is a deficient number, since it is larger than the sum of its proper divisors (801924).

1051564 is a wasteful number, since it uses less digits than its factorization.

1051564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1051564 is about 1025.4579464805. The cubic root of 1051564 is about 101.6900755318.

The spelling of 1051564 in words is "one million, fifty-one thousand, five hundred sixty-four".