120251401 has 4 divisors (see below), whose sum is σ = 123184404. Its totient is φ = 117318400.

The previous prime is 120251393. The next prime is 120251407. The reversal of 120251401 is 104152021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104152021 = 29 ⋅3591449.

It can be written as a sum of positive squares in 2 ways, for example, as 15721225 + 104530176 = 3965^2 + 10224^2 .

It is a cyclic number.

It is not a de Polignac number, because 120251401 - 2³ = 120251393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120251407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1466440 + ... + 1466521.

It is an arithmetic number, because the mean of its divisors is an integer number (30796101).

Almost surely, 2^120251401 is an apocalyptic number.

It is an amenable number.

120251401 is a deficient number, since it is larger than the sum of its proper divisors (2933003).

120251401 is an equidigital number, since it uses as much as digits as its factorization.

120251401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933002.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 120251401 is about 10965.9199796460. The cubic root of 120251401 is about 493.5866235943.

The spelling of 120251401 in words is "one hundred twenty million, two hundred fifty-one thousand, four hundred one".