124412985 has 24 divisors (see below), whose sum is σ = 216687744. Its totient is φ = 66034080.

The previous prime is 124412971. The next prime is 124412989. The reversal of 124412985 is 589214421.

It is not a de Polignac number, because 124412985 - 2⁷ = 124412857 is a prime.

It is a super-2 number, since 2×124412985² = 30957181673220450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124412989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2944 + ... + 16046.

It is an arithmetic number, because the mean of its divisors is an integer number (9028656).

Almost surely, 2^124412985 is an apocalyptic number.

124412985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124412985 is a deficient number, since it is larger than the sum of its proper divisors (92274759).

124412985 is a wasteful number, since it uses less digits than its factorization.

124412985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13325 (or 13322 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 124412985 is about 11154.0568852772. The cubic root of 124412985 is about 499.2160849300.

The spelling of 124412985 in words is "one hundred twenty-four million, four hundred twelve thousand, nine hundred eighty-five".