1056489 has 12 divisors (see below), whose sum is σ = 1638864. Its totient is φ = 603624.

The previous prime is 1056481. The next prime is 1056493. The reversal of 1056489 is 9846501.

It is not a de Polignac number, because 1056489 - 2³ = 1056481 is a prime.

It is a super-2 number, since 2×1056489² = 2232338014242, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

1056489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1056481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3447 + ... + 3740.

It is an arithmetic number, because the mean of its divisors is an integer number (136572).

2^1056489 is an apocalyptic number.

It is an amenable number.

1056489 is a deficient number, since it is larger than the sum of its proper divisors (582375).

1056489 is an equidigital number, since it uses as much as digits as its factorization.

1056489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204 (or 7197 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1056489 is about 1027.8565074951. The cubic root of 1056489 is about 101.8485834878.

The spelling of 1056489 in words is "one million, fifty-six thousand, four hundred eighty-nine".