120731379 has 8 divisors (see below), whose sum is σ = 166526160. Its totient is φ = 77712096.

The previous prime is 120731371. The next prime is 120731381. The reversal of 120731379 is 973137021.

It is a happy number.

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

It is not a de Polignac number, because 120731379 - 2³ = 120731371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120731371) 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, 693772 + ... + 693945.

It is an arithmetic number, because the mean of its divisors is an integer number (20815770).

Almost surely, 2^120731379 is an apocalyptic number.

120731379 is a deficient number, since it is larger than the sum of its proper divisors (45794781).

120731379 is a wasteful number, since it uses less digits than its factorization.

120731379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387749.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 120731379 is about 10987.7831704125. The cubic root of 120731379 is about 494.2424613072.

The spelling of 120731379 in words is "one hundred twenty million, seven hundred thirty-one thousand, three hundred seventy-nine".