1056502730 has 8 divisors (see below), whose sum is σ = 1901704932. Its totient is φ = 422601088.

The previous prime is 1056502729. The next prime is 1056502747. The reversal of 1056502730 is 372056501.

It can be written as a sum of positive squares in 2 ways, for example, as 1036904401 + 19598329 = 32201^2 + 4427^2 .

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

It is a super-2 number, since 2×1056502730² = 2232396036994905800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056502693 and 1056502702.

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, 52825127 + ... + 52825146.

Almost surely, 2^1056502730 is an apocalyptic number.

1056502730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1056502730 is a deficient number, since it is larger than the sum of its proper divisors (845202202).

1056502730 is a wasteful number, since it uses less digits than its factorization.

1056502730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105650280.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 1056502730 is about 32503.8879212934. The cubic root of 1056502730 is about 1018.4902468976.

The spelling of 1056502730 in words is "one billion, fifty-six million, five hundred two thousand, seven hundred thirty".