1056402 has 20 divisors (see below), whose sum is σ = 2367486. Its totient is φ = 352080.

The previous prime is 1056401. The next prime is 1056443. The reversal of 1056402 is 2046501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 670761 + 385641 = 819^2 + 621^2 .

It is a super-2 number, since 2×1056402² = 2231970371208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1056401) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3099 + ... + 3422.

2^1056402 is an apocalyptic number.

1056402 is an abundant number, since it is smaller than the sum of its proper divisors (1311084).

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

1056402 is an equidigital number, since it uses as much as digits as its factorization.

1056402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535 (or 6526 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1056402 is about 1027.8141855413. The cubic root of 1056402 is about 101.8457877275.

Subtracting 1056402 from its reverse (2046501), we obtain a palindrome (990099).

The spelling of 1056402 in words is "one million, fifty-six thousand, four hundred two".