120131399 has 8 divisors (see below), whose sum is σ = 122310000. Its totient is φ = 117971392.

The previous prime is 120131393. The next prime is 120131413. The reversal of 120131399 is 993131021.

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

It is a cyclic number.

It is not a de Polignac number, because 120131399 - 2⁴ = 120131383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131393) 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, 8732 + ... + 17790.

It is an arithmetic number, because the mean of its divisors is an integer number (15288750).

Almost surely, 2^120131399 is an apocalyptic number.

120131399 is a deficient number, since it is larger than the sum of its proper divisors (2178601).

120131399 is an equidigital number, since it uses as much as digits as its factorization.

120131399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9297.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 120131399 is about 10960.4470255551. The cubic root of 120131399 is about 493.4223813061.

The spelling of 120131399 in words is "one hundred twenty million, one hundred thirty-one thousand, three hundred ninety-nine".