120439001 has 16 divisors (see below), whose sum is σ = 129729600. Its totient is φ = 111588288.

The previous prime is 120438953. The next prime is 120439019. The reversal of 120439001 is 100934021.

It is a de Polignac number, because none of the positive numbers 2^k-120439001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120439301) 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, 72755 + ... + 74391.

It is an arithmetic number, because the mean of its divisors is an integer number (8108100).

Almost surely, 2^120439001 is an apocalyptic number.

It is an amenable number.

120439001 is a deficient number, since it is larger than the sum of its proper divisors (9290599).

120439001 is a wasteful number, since it uses less digits than its factorization.

120439001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 120439001 is about 10974.4704200248. The cubic root of 120439001 is about 493.8431659690.

The spelling of 120439001 in words is "one hundred twenty million, four hundred thirty-nine thousand, one".