120072311 has 2 divisors, whose sum is σ = 120072312. Its totient is φ = 120072310.

The previous prime is 120072307. The next prime is 120072319. The reversal of 120072311 is 113270021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120072311 - 2² = 120072307 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120072311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120072319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60036155 + 60036156.

It is an arithmetic number, because the mean of its divisors is an integer number (60036156).

Almost surely, 2^120072311 is an apocalyptic number.

120072311 is a deficient number, since it is larger than the sum of its proper divisors (1).

120072311 is an equidigital number, since it uses as much as digits as its factorization.

120072311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 120072311 is about 10957.7511835230. The cubic root of 120072311 is about 493.3414695619.

The spelling of 120072311 in words is "one hundred twenty million, seventy-two thousand, three hundred eleven".