1056478900 has 36 divisors (see below), whose sum is σ = 2305264780. Its totient is φ = 420249600.

The previous prime is 1056478877. The next prime is 1056478909. The reversal of 1056478900 is 98746501.

It can be written as a sum of positive squares in 6 ways, for example, as 210018064 + 846460836 = 14492^2 + 29094^2 .

It is a super-2 number, since 2×1056478900² = 2232295332290420000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056478909) 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, 11085 + ... + 47284.

Almost surely, 2^1056478900 is an apocalyptic number.

1056478900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056478900 is an abundant number, since it is smaller than the sum of its proper divisors (1248785880).

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

1056478900 is a wasteful number, since it uses less digits than its factorization.

1056478900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58564 (or 58557 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1056478900 is about 32503.5213476940. The cubic root of 1056478900 is about 1018.4825893042.

The spelling of 1056478900 in words is "one billion, fifty-six million, four hundred seventy-eight thousand, nine hundred".