120878720 has 64 divisors (see below), whose sum is σ = 293392800. Its totient is φ = 47612928.

The previous prime is 120878717. The next prime is 120878749. The reversal of 120878720 is 27878021.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×120878720² = 29223329897676800, 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, 41471 + ... + 44289.

Almost surely, 2^120878720 is an apocalyptic number.

120878720 is a gapful number since it is divisible by the number (10) 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 120878720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146696400).

120878720 is an abundant number, since it is smaller than the sum of its proper divisors (172514080).

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

120878720 is an equidigital number, since it uses as much as digits as its factorization.

120878720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905 (or 2893 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 120878720 is about 10994.4858906636. The cubic root of 120878720 is about 494.4434379851.

The spelling of 120878720 in words is "one hundred twenty million, eight hundred seventy-eight thousand, seven hundred twenty".