120279311 has 2 divisors, whose sum is σ = 120279312. Its totient is φ = 120279310.

The previous prime is 120279307. The next prime is 120279331. The reversal of 120279311 is 113972021.

It is a weak prime.

It is an emirp because it is prime and its reverse (113972021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120279311 - 2² = 120279307 is a prime.

It is a super-2 number, since 2×120279311² = 28934225309269442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120279331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60139655 + 60139656.

It is an arithmetic number, because the mean of its divisors is an integer number (60139656).

Almost surely, 2^120279311 is an apocalyptic number.

120279311 is a deficient number, since it is larger than the sum of its proper divisors (1).

120279311 is an equidigital number, since it uses as much as digits as its factorization.

120279311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 120279311 is about 10967.1924848614. The cubic root of 120279311 is about 493.6248073130.

The spelling of 120279311 in words is "one hundred twenty million, two hundred seventy-nine thousand, three hundred eleven".