120725290 has 32 divisors (see below), whose sum is σ = 252065664. Its totient is φ = 40772160.

The previous prime is 120725273. The next prime is 120725291. The reversal of 120725290 is 92527021.

It is not an unprimeable number, because it can be changed into a prime (120725291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8181 + ... + 17560.

It is an arithmetic number, because the mean of its divisors is an integer number (7877052).

Almost surely, 2^120725290 is an apocalyptic number.

120725290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120725290 is an abundant number, since it is smaller than the sum of its proper divisors (131340374).

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

120725290 is a wasteful number, since it uses less digits than its factorization.

120725290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25822.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 120725290 is about 10987.5060864602. The cubic root of 120725290 is about 494.2341522469.

It can be divided in two parts, 120 and 725290, that added together give a triangular number (725410 = T₁₂₀₄).

The spelling of 120725290 in words is "one hundred twenty million, seven hundred twenty-five thousand, two hundred ninety".