120391401 has 8 divisors (see below), whose sum is σ = 172869760. Its totient is φ = 74086992.

The previous prime is 120391379. The next prime is 120391409. The reversal of 120391401 is 104193021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120391401 - 2⁷ = 120391273 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 (120391409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543441 + ... + 1543518.

It is an arithmetic number, because the mean of its divisors is an integer number (21608720).

Almost surely, 2^120391401 is an apocalyptic number.

It is an amenable number.

120391401 is a deficient number, since it is larger than the sum of its proper divisors (52478359).

120391401 is a wasteful number, since it uses less digits than its factorization.

120391401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086975.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 120391401 is about 10972.3015361409. The cubic root of 120391401 is about 493.7780983636.

The spelling of 120391401 in words is "one hundred twenty million, three hundred ninety-one thousand, four hundred one".