1048729920 has 112 divisors (see below), whose sum is σ = 3805415808. Its totient is φ = 239708160.

The previous prime is 1048729883. The next prime is 1048729943. The reversal of 1048729920 is 299278401.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71311 + ... + 84750.

Almost surely, 2^1048729920 is an apocalyptic number.

1048729920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1048729920 is an abundant number, since it is smaller than the sum of its proper divisors (2756685888).

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

1048729920 is a wasteful number, since it uses less digits than its factorization.

1048729920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156088 (or 156078 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1048729920 is about 32384.0998022178. The cubic root of 1048729920 is about 1015.9863804569.

The spelling of 1048729920 in words is "one billion, forty-eight million, seven hundred twenty-nine thousand, nine hundred twenty".