120072401 has 4 divisors (see below), whose sum is σ = 122337972. Its totient is φ = 117806832.

The previous prime is 120072391. The next prime is 120072427. The reversal of 120072401 is 104270021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100500625 + 19571776 = 10025^2 + 4424^2 .

It is a cyclic number.

It is not a de Polignac number, because 120072401 - 2¹⁰ = 120071377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120072401.

It is not an unprimeable number, because it can be changed into a prime (120072101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132706 + ... + 1132811.

It is an arithmetic number, because the mean of its divisors is an integer number (30584493).

Almost surely, 2^120072401 is an apocalyptic number.

It is an amenable number.

120072401 is a deficient number, since it is larger than the sum of its proper divisors (2265571).

120072401 is an equidigital number, since it uses as much as digits as its factorization.

120072401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265570.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 120072401 is about 10957.7552902043. The cubic root of 120072401 is about 493.3415928229.

The spelling of 120072401 in words is "one hundred twenty million, seventy-two thousand, four hundred one".