120001120139 has 2 divisors, whose sum is σ = 120001120140. Its totient is φ = 120001120138.

The previous prime is 120001120121. The next prime is 120001120171. The reversal of 120001120139 is 931021100021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120001120139 - 2³² = 115706152843 is a prime.

It is a super-2 number, since 2×120001120139² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120001120139.

It is not a weakly prime, because it can be changed into another prime (120001120199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000560069 + 60000560070.

It is an arithmetic number, because the mean of its divisors is an integer number (60000560070).

Almost surely, 2^120001120139 is an apocalyptic number.

120001120139 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001120139 is an equidigital number, since it uses as much as digits as its factorization.

120001120139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 120001120139 in words is "one hundred twenty billion, one million, one hundred twenty thousand, one hundred thirty-nine".