1056530 has 8 divisors (see below), whose sum is σ = 1901772. Its totient is φ = 422608.

The previous prime is 1056521. The next prime is 1056541. The reversal of 1056530 is 356501.

It can be written as a sum of positive squares in 2 ways, for example, as 889249 + 167281 = 943^2 + 409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1056530² = 2232511281800, which contains 22 as substring.

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, 52817 + ... + 52836.

2^1056530 is an apocalyptic number.

1056530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1056530 is a deficient number, since it is larger than the sum of its proper divisors (845242).

1056530 is a wasteful number, since it uses less digits than its factorization.

1056530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105660.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1056530 is about 1027.8764517198. The cubic root of 1056530 is about 101.8499009768.

The spelling of 1056530 in words is "one million, fifty-six thousand, five hundred thirty".