120450251 has 8 divisors (see below), whose sum is σ = 124077408. Its totient is φ = 116856000.

The previous prime is 120450247. The next prime is 120450257. The reversal of 120450251 is 152054021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120450251 - 2² = 120450247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120450257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695 + ... + 15536.

It is an arithmetic number, because the mean of its divisors is an integer number (15509676).

Almost surely, 2^120450251 is an apocalyptic number.

120450251 is a deficient number, since it is larger than the sum of its proper divisors (3627157).

120450251 is a wasteful number, since it uses less digits than its factorization.

120450251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16453.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 120450251 is about 10974.9829612624. The cubic root of 120450251 is about 493.8585418373.

The spelling of 120450251 in words is "one hundred twenty million, four hundred fifty thousand, two hundred fifty-one".