120387279 has 4 divisors (see below), whose sum is σ = 160516376. Its totient is φ = 80258184.

The previous prime is 120387277. The next prime is 120387283. The reversal of 120387279 is 972783021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120387279 - 2¹ = 120387277 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 (120387277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20064544 + ... + 20064549.

It is an arithmetic number, because the mean of its divisors is an integer number (40129094).

Almost surely, 2^120387279 is an apocalyptic number.

120387279 is a deficient number, since it is larger than the sum of its proper divisors (40129097).

120387279 is an equidigital number, since it uses as much as digits as its factorization.

120387279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40129096.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 120387279 is about 10972.1136979162. The cubic root of 120387279 is about 493.7724629208.

The spelling of 120387279 in words is "one hundred twenty million, three hundred eighty-seven thousand, two hundred seventy-nine".