120396251 has 2 divisors, whose sum is σ = 120396252. Its totient is φ = 120396250.

The previous prime is 120396247. The next prime is 120396257. The reversal of 120396251 is 152693021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120396251 - 2² = 120396247 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120396257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60198125 + 60198126.

It is an arithmetic number, because the mean of its divisors is an integer number (60198126).

Almost surely, 2^120396251 is an apocalyptic number.

120396251 is a deficient number, since it is larger than the sum of its proper divisors (1).

120396251 is an equidigital number, since it uses as much as digits as its factorization.

120396251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 120396251 is about 10972.5225449757. The cubic root of 120396251 is about 493.7847289357.

The spelling of 120396251 in words is "one hundred twenty million, three hundred ninety-six thousand, two hundred fifty-one".