120402651 has 4 divisors (see below), whose sum is σ = 160536872. Its totient is φ = 80268432.

The previous prime is 120402643. The next prime is 120402679. The reversal of 120402651 is 156204021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156204021 = 3 ⋅52068007.

It is not a de Polignac number, because 120402651 - 2³ = 120402643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120402641) 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, 20067106 + ... + 20067111.

It is an arithmetic number, because the mean of its divisors is an integer number (40134218).

Almost surely, 2^120402651 is an apocalyptic number.

120402651 is a deficient number, since it is larger than the sum of its proper divisors (40134221).

120402651 is an equidigital number, since it uses as much as digits as its factorization.

120402651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40134220.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 120402651 is about 10972.8141786873. The cubic root of 120402651 is about 493.7934782842.

Adding to 120402651 its reverse (156204021), we get a palindrome (276606672).

The spelling of 120402651 in words is "one hundred twenty million, four hundred two thousand, six hundred fifty-one".