120762139 has 2 divisors, whose sum is σ = 120762140. Its totient is φ = 120762138.

The previous prime is 120762137. The next prime is 120762149. The reversal of 120762139 is 931267021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120762139 - 2¹ = 120762137 is a prime.

Together with 120762137, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 120762139.

It is not a weakly prime, because it can be changed into another prime (120762133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60381069 + 60381070.

It is an arithmetic number, because the mean of its divisors is an integer number (60381070).

Almost surely, 2^120762139 is an apocalyptic number.

120762139 is a deficient number, since it is larger than the sum of its proper divisors (1).

120762139 is an equidigital number, since it uses as much as digits as its factorization.

120762139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 120762139 is about 10989.1828176621. The cubic root of 120762139 is about 494.2844321886.

The spelling of 120762139 in words is "one hundred twenty million, seven hundred sixty-two thousand, one hundred thirty-nine".