124242125 has 16 divisors (see below), whose sum is σ = 177206016. Its totient is φ = 85194000.

The previous prime is 124242109. The next prime is 124242133. The reversal of 124242125 is 521242421.

It is not a de Polignac number, because 124242125 - 2⁴ = 124242109 is a prime.

It is a super-2 number, since 2×124242125² = 30872211249031250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124242125.

It is a congruent number.

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, 70121 + ... + 71870.

It is an arithmetic number, because the mean of its divisors is an integer number (11075376).

Almost surely, 2^124242125 is an apocalyptic number.

It is an amenable number.

124242125 is a deficient number, since it is larger than the sum of its proper divisors (52963891).

124242125 is an equidigital number, since it uses as much as digits as its factorization.

124242125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142013 (or 142003 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 124242125 is about 11146.3951571797. The cubic root of 124242125 is about 498.9874508727.

Adding to 124242125 its reverse (521242421), we get a palindrome (645484546).

The spelling of 124242125 in words is "one hundred twenty-four million, two hundred forty-two thousand, one hundred twenty-five".