120120251 has 2 divisors, whose sum is σ = 120120252. Its totient is φ = 120120250.

The previous prime is 120120227. The next prime is 120120263. The reversal of 120120251 is 152021021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120120251 - 2²² = 115925947 is a prime.

It is not a weakly prime, because it can be changed into another prime (120120271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060125 + 60060126.

It is an arithmetic number, because the mean of its divisors is an integer number (60060126).

Almost surely, 2^120120251 is an apocalyptic number.

120120251 is a deficient number, since it is larger than the sum of its proper divisors (1).

120120251 is an equidigital number, since it uses as much as digits as its factorization.

120120251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 120120251 is about 10959.9384578564. The cubic root of 120120251 is about 493.4071179004.

Adding to 120120251 its reverse (152021021), we get a palindrome (272141272).

The spelling of 120120251 in words is "one hundred twenty million, one hundred twenty thousand, two hundred fifty-one".