120779904 has 160 divisors (see below), whose sum is σ = 377126640. Its totient is φ = 34245120.

The previous prime is 120779881. The next prime is 120779927. The reversal of 120779904 is 409977021.

It is an interprime number because it is at equal distance from previous prime (120779881) and next prime (120779927).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 921919 + ... + 922049.

Almost surely, 2^120779904 is an apocalyptic number.

120779904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120779904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188563320).

120779904 is an abundant number, since it is smaller than the sum of its proper divisors (256346736).

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

120779904 is an frugal number, since it uses more digits than its factorization.

120779904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 120779904 is about 10989.9910827989. The cubic root of 120779904 is about 494.3086686269.

The spelling of 120779904 in words is "one hundred twenty million, seven hundred seventy-nine thousand, nine hundred four".