124129425 has 96 divisors (see below), whose sum is σ = 251412480. Its totient is φ = 52819200.

The previous prime is 124129417. The next prime is 124129429. The reversal of 124129425 is 524921421.

It is not a de Polignac number, because 124129425 - 2³ = 124129417 is a prime.

It is a super-2 number, since 2×124129425² = 30816228301661250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124129392 and 124129401.

It is not an unprimeable number, because it can be changed into a prime (124129429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 471844 + ... + 472106.

It is an arithmetic number, because the mean of its divisors is an integer number (2618880).

Almost surely, 2^124129425 is an apocalyptic number.

124129425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124129425 is an abundant number, since it is smaller than the sum of its proper divisors (127283055).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124129425 is a wasteful number, since it uses less digits than its factorization.

124129425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 338 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 124129425 is about 11141.3385641044. The cubic root of 124129425 is about 498.8365280995.

The spelling of 124129425 in words is "one hundred twenty-four million, one hundred twenty-nine thousand, four hundred twenty-five".