120808279 has 2 divisors, whose sum is σ = 120808280. Its totient is φ = 120808278.

The previous prime is 120808241. The next prime is 120808309. The reversal of 120808279 is 972808021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120808279 - 2⁷ = 120808151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120808379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60404139 + 60404140.

It is an arithmetic number, because the mean of its divisors is an integer number (60404140).

Almost surely, 2^120808279 is an apocalyptic number.

120808279 is a deficient number, since it is larger than the sum of its proper divisors (1).

120808279 is an equidigital number, since it uses as much as digits as its factorization.

120808279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 120808279 is about 10991.2819543491. The cubic root of 120808279 is about 494.3473751494.

The spelling of 120808279 in words is "one hundred twenty million, eight hundred eight thousand, two hundred seventy-nine".