1057104720 has 120 divisors (see below), whose sum is σ = 4057287936. Its totient is φ = 241622784.

The previous prime is 1057104703. The next prime is 1057104721. The reversal of 1057104720 is 274017501.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1057104720² = 2234940778092556800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057104721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99832 + ... + 109911.

Almost surely, 2^1057104720 is an apocalyptic number.

1057104720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057104720 is an abundant number, since it is smaller than the sum of its proper divisors (3000183216).

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

1057104720 is a wasteful number, since it uses less digits than its factorization.

1057104720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209769 (or 209760 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 1057104720 is about 32513.1468793779. The cubic root of 1057104720 is about 1018.6836537269.

The spelling of 1057104720 in words is "one billion, fifty-seven million, one hundred four thousand, seven hundred twenty".