120442039 has 2 divisors, whose sum is σ = 120442040. Its totient is φ = 120442038.

The previous prime is 120442033. The next prime is 120442061. The reversal of 120442039 is 930244021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120442039 - 2¹³ = 120433847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120442033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60221019 + 60221020.

It is an arithmetic number, because the mean of its divisors is an integer number (60221020).

Almost surely, 2^120442039 is an apocalyptic number.

120442039 is a deficient number, since it is larger than the sum of its proper divisors (1).

120442039 is an equidigital number, since it uses as much as digits as its factorization.

120442039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 120442039 is about 10974.6088312978. The cubic root of 120442039 is about 493.8473182312.

The spelling of 120442039 in words is "one hundred twenty million, four hundred forty-two thousand, thirty-nine".