120430257 has 24 divisors (see below), whose sum is σ = 169306368. Its totient is φ = 76065600.

The previous prime is 120430241. The next prime is 120430259. The reversal of 120430257 is 752034021.

It is not a de Polignac number, because 120430257 - 2⁴ = 120430241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120430259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261007 + ... + 261467.

It is an arithmetic number, because the mean of its divisors is an integer number (7054432).

Almost surely, 2^120430257 is an apocalyptic number.

It is an amenable number.

120430257 is a deficient number, since it is larger than the sum of its proper divisors (48876111).

120430257 is an equidigital number, since it uses as much as digits as its factorization.

120430257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 120430257 is about 10974.0720336619. The cubic root of 120430257 is about 493.8312144995.

Adding to 120430257 its reverse (752034021), we get a palindrome (872464278).

The spelling of 120430257 in words is "one hundred twenty million, four hundred thirty thousand, two hundred fifty-seven".