120131291 has 8 divisors (see below), whose sum is σ = 140095200. Its totient is φ = 102969384.

The previous prime is 120131279. The next prime is 120131383. The reversal of 120131291 is 192131021.

It is not a de Polignac number, because 120131291 - 2⁶ = 120131227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120131261) 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, 174776 + ... + 175461.

It is an arithmetic number, because the mean of its divisors is an integer number (17511900).

Almost surely, 2^120131291 is an apocalyptic number.

120131291 is a deficient number, since it is larger than the sum of its proper divisors (19963909).

120131291 is an frugal number, since it uses more digits than its factorization.

120131291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350258 (or 350244 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 120131291 is about 10960.4420987477. The cubic root of 120131291 is about 493.4222334413.

The spelling of 120131291 in words is "one hundred twenty million, one hundred thirty-one thousand, two hundred ninety-one".