1053267720 has 32 divisors (see below), whose sum is σ = 3159803520. Its totient is φ = 280871360.

The previous prime is 1053267707. The next prime is 1053267731. The reversal of 1053267720 is 277623501.

It is a super-2 number, since 2×1053267720² = 2218745779987996800, 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, 4388496 + ... + 4388735.

It is an arithmetic number, because the mean of its divisors is an integer number (98743860).

Almost surely, 2^1053267720 is an apocalyptic number.

1053267720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053267720 is an abundant number, since it is smaller than the sum of its proper divisors (2106535800).

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

1053267720 is a wasteful number, since it uses less digits than its factorization.

1053267720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8777245 (or 8777241 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 1053267720 is about 32454.0863374707. The cubic root of 1053267720 is about 1017.4496454585.

The spelling of 1053267720 in words is "one billion, fifty-three million, two hundred sixty-seven thousand, seven hundred twenty".