120457 has 4 divisors (see below), whose sum is σ = 121360. Its totient is φ = 119556.

The previous prime is 120431. The next prime is 120473. The reversal of 120457 is 754021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 120457 - 2¹¹ = 118409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (30340).

2¹²⁰⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

120457 is a deficient number, since it is larger than the sum of its proper divisors (903).

120457 is an equidigital number, since it uses as much as digits as its factorization.

120457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 120457 is about 347.0691573736. The cubic root of 120457 is about 49.3867765532.

Adding to 120457 its reverse (754021), we get a palindrome (874478).

The spelling of 120457 in words is "one hundred twenty thousand, four hundred fifty-seven".