120116172 has 24 divisors (see below), whose sum is σ = 305750592. Its totient is φ = 36398800.

The previous prime is 120116123. The next prime is 120116177. The reversal of 120116172 is 271611021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120116177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454854 + ... + 455117.

It is an arithmetic number, because the mean of its divisors is an integer number (12739608).

Almost surely, 2^120116172 is an apocalyptic number.

120116172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120116172 is an abundant number, since it is smaller than the sum of its proper divisors (185634420).

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

120116172 is a wasteful number, since it uses less digits than its factorization.

120116172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909989 (or 909987 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 120116172 is about 10959.7523694653. The cubic root of 120116172 is about 493.4015328570.

Adding to 120116172 its reverse (271611021), we get a palindrome (391727193).

The spelling of 120116172 in words is "one hundred twenty million, one hundred sixteen thousand, one hundred seventy-two".