124280393 has 4 divisors (see below), whose sum is σ = 125442000. Its totient is φ = 123118788.

The previous prime is 124280381. The next prime is 124280417. The reversal of 124280393 is 393082421.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 124280393 - 2¹⁰ = 124279369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124280593) 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, 580643 + ... + 580856.

It is an arithmetic number, because the mean of its divisors is an integer number (31360500).

Almost surely, 2^124280393 is an apocalyptic number.

It is an amenable number.

124280393 is a deficient number, since it is larger than the sum of its proper divisors (1161607).

124280393 is a wasteful number, since it uses less digits than its factorization.

124280393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161606.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 124280393 is about 11148.1116338149. Note that the first 3 decimals coincide. The cubic root of 124280393 is about 499.0386769003.

The spelling of 124280393 in words is "one hundred twenty-four million, two hundred eighty thousand, three hundred ninety-three".