120725157 has 8 divisors (see below), whose sum is σ = 183962176. Its totient is φ = 68985792.

The previous prime is 120725131. The next prime is 120725201. The reversal of 120725157 is 751527021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120725157 - 2²⁴ = 103947941 is a prime.

It is the 10988-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120721157) by changing a digit.

It is a nontrivial repunit in base 10987.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2874388 + ... + 2874429.

It is an arithmetic number, because the mean of its divisors is an integer number (22995272).

Almost surely, 2^120725157 is an apocalyptic number.

It is an amenable number.

120725157 is a deficient number, since it is larger than the sum of its proper divisors (63237019).

120725157 is an equidigital number, since it uses as much as digits as its factorization.

120725157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748827.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 120725157 is about 10987.5000341297. The cubic root of 120725157 is about 494.2339707517.

The spelling of 120725157 in words is "one hundred twenty million, seven hundred twenty-five thousand, one hundred fifty-seven".