1057129472 has 88 divisors (see below), whose sum is σ = 2434783680. Its totient is φ = 449372160.

The previous prime is 1057129457. The next prime is 1057129483. The reversal of 1057129472 is 2749217501.

It is a happy number.

It is a super-2 number, since 2×1057129472² = 2235045441141997568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995822 + ... + 996882.

Almost surely, 2^1057129472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1057129472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217391840).

1057129472 is an abundant number, since it is smaller than the sum of its proper divisors (1377654208).

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

1057129472 is a wasteful number, since it uses less digits than its factorization.

1057129472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 1057129472 is about 32513.5275231710. The cubic root of 1057129472 is about 1018.6916044564.

The spelling of 1057129472 in words is "one billion, fifty-seven million, one hundred twenty-nine thousand, four hundred seventy-two".