120121039 has 2 divisors, whose sum is σ = 120121040. Its totient is φ = 120121038.

The previous prime is 120121033. The next prime is 120121061. The reversal of 120121039 is 930121021.

It is a weak prime.

It is an emirp because it is prime and its reverse (930121021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120121039 - 2⁷ = 120120911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120121033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060519 + 60060520.

It is an arithmetic number, because the mean of its divisors is an integer number (60060520).

Almost surely, 2^120121039 is an apocalyptic number.

120121039 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121039 is an equidigital number, since it uses as much as digits as its factorization.

120121039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 120121039 is about 10959.9744069044. The cubic root of 120121039 is about 493.4081968302.

The spelling of 120121039 in words is "one hundred twenty million, one hundred twenty-one thousand, thirty-nine".