120426939 has 16 divisors (see below), whose sum is σ = 181075840. Its totient is φ = 79085160.

The previous prime is 120426923. The next prime is 120426947. The reversal of 120426939 is 939624021.

It is not a de Polignac number, because 120426939 - 2⁴ = 120426923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120426949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31477 + ... + 35094.

It is an arithmetic number, because the mean of its divisors is an integer number (11317240).

Almost surely, 2^120426939 is an apocalyptic number.

120426939 is a deficient number, since it is larger than the sum of its proper divisors (60648901).

120426939 is an equidigital number, since it uses as much as digits as its factorization.

120426939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66647 (or 66641 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 120426939 is about 10973.9208581072. The cubic root of 120426939 is about 493.8266792410.

It can be divided in two parts, 12042 and 6939, that added together give a palindrome (18981).

The spelling of 120426939 in words is "one hundred twenty million, four hundred twenty-six thousand, nine hundred thirty-nine".