1056540 has 24 divisors (see below), whose sum is σ = 2958480. Its totient is φ = 281728.

The previous prime is 1056521. The next prime is 1056541. The reversal of 1056540 is 456501.

It is a happy number.

It is a super-2 number, since 2×1056540² = 2232553543200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8745 + ... + 8864.

It is an arithmetic number, because the mean of its divisors is an integer number (123270).

2^1056540 is an apocalyptic number.

1056540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056540 is an abundant number, since it is smaller than the sum of its proper divisors (1901940).

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

1056540 is a wasteful number, since it uses less digits than its factorization.

1056540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17621 (or 17619 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1056540 is about 1027.8813161061. The cubic root of 1056540 is about 101.8502223104.

It can be divided in two parts, 1056 and 540, that added together give a triangular number (1596 = T₅₆).

The spelling of 1056540 in words is "one million, fifty-six thousand, five hundred forty".