124138385 has 16 divisors (see below), whose sum is σ = 170486400. Its totient is φ = 85003776.

The previous prime is 124138379. The next prime is 124138397. The reversal of 124138385 is 583831421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 124138385 - 2⁸ = 124138129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28001 + ... + 32129.

It is an arithmetic number, because the mean of its divisors is an integer number (10655400).

Almost surely, 2^124138385 is an apocalyptic number.

It is an amenable number.

124138385 is a deficient number, since it is larger than the sum of its proper divisors (46348015).

124138385 is an equidigital number, since it uses as much as digits as its factorization.

124138385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000.

The product of its digits is 23040, while the sum is 35.

The square root of 124138385 is about 11141.7406629305. The cubic root of 124138385 is about 498.8485302705.

The spelling of 124138385 in words is "one hundred twenty-four million, one hundred thirty-eight thousand, three hundred eighty-five".