120565457 has 8 divisors (see below), whose sum is σ = 121890912. Its totient is φ = 119246400.

The previous prime is 120565451. The next prime is 120565477. The reversal of 120565457 is 754565021.

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 120565457 - 2¹⁴ = 120549073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120565451) 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, 42782 + ... + 45512.

It is an arithmetic number, because the mean of its divisors is an integer number (15236364).

Almost surely, 2^120565457 is an apocalyptic number.

It is an amenable number.

120565457 is a deficient number, since it is larger than the sum of its proper divisors (1325455).

120565457 is a wasteful number, since it uses less digits than its factorization.

120565457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 120565457 is about 10980.2302799167. The cubic root of 120565457 is about 494.0159438543.

The spelling of 120565457 in words is "one hundred twenty million, five hundred sixty-five thousand, four hundred fifty-seven".