120451457 has 12 divisors (see below), whose sum is σ = 142763796. Its totient is φ = 101293920.

The previous prime is 120451453. The next prime is 120451517. The reversal of 120451457 is 754154021.

It can be written as a sum of positive squares in 2 ways, for example, as 83192641 + 37258816 = 9121^2 + 6104^2 .

It is not a de Polignac number, because 120451457 - 2² = 120451453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120451453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20594 + ... + 25787.

It is an arithmetic number, because the mean of its divisors is an integer number (11896983).

Almost surely, 2^120451457 is an apocalyptic number.

It is an amenable number.

120451457 is a deficient number, since it is larger than the sum of its proper divisors (22312339).

120451457 is an equidigital number, since it uses as much as digits as its factorization.

120451457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46448 (or 46441 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 120451457 is about 10975.0379042626. The cubic root of 120451457 is about 493.8601900735.

The spelling of 120451457 in words is "one hundred twenty million, four hundred fifty-one thousand, four hundred fifty-seven".