124523281 has 3 divisors (see below), whose sum is σ = 124534441. Its totient is φ = 124512122.

The previous prime is 124523263. The next prime is 124523291. The reversal of 124523281 is 182325421.

The square root of 124523281 is 11159.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 124523281 - 2⁷ = 124523153 is a prime.

It is a super-2 number, since 2×124523281² = 31012095022009922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124523251) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5580 + ... + 16738.

Almost surely, 2^124523281 is an apocalyptic number.

124523281 is the 11159-th square number.

124523281 is the 5580-th centered octagonal number.

It is an amenable number.

124523281 is a deficient number, since it is larger than the sum of its proper divisors (11160).

124523281 is an frugal number, since it uses more digits than its factorization.

124523281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22318 (or 11159 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The cubic root of 124523281 is about 499.3635649111.

The spelling of 124523281 in words is "one hundred twenty-four million, five hundred twenty-three thousand, two hundred eighty-one".