120249457 has 8 divisors (see below), whose sum is σ = 127290240. Its totient is φ = 113401680.

The previous prime is 120249443. The next prime is 120249463. The reversal of 120249457 is 754942021.

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 120249457 - 2⁷ = 120249329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120249427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46969 + ... + 49462.

It is an arithmetic number, because the mean of its divisors is an integer number (15911280).

Almost surely, 2^120249457 is an apocalyptic number.

It is an amenable number.

120249457 is a deficient number, since it is larger than the sum of its proper divisors (7040783).

120249457 is an equidigital number, since it uses as much as digits as its factorization.

120249457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96503.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 120249457 is about 10965.8313410338. The cubic root of 120249457 is about 493.5839637845.

The spelling of 120249457 in words is "one hundred twenty million, two hundred forty-nine thousand, four hundred fifty-seven".