124131225 has 24 divisors (see below), whose sum is σ = 206286400. Its totient is φ = 65862720.

The previous prime is 124131209. The next prime is 124131233. The reversal of 124131225 is 522131421.

It is not a de Polignac number, because 124131225 - 2⁴ = 124131209 is a prime.

It is a super-2 number, since 2×124131225² = 30817122040001250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10767 + ... + 19083.

Almost surely, 2^124131225 is an apocalyptic number.

124131225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124131225 is a deficient number, since it is larger than the sum of its proper divisors (82155175).

124131225 is a wasteful number, since it uses less digits than its factorization.

124131225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8529 (or 8524 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 124131225 is about 11141.4193440513. The cubic root of 124131225 is about 498.8389392963.

Adding to 124131225 its reverse (522131421), we get a palindrome (646262646).

The spelling of 124131225 in words is "one hundred twenty-four million, one hundred thirty-one thousand, two hundred twenty-five".