124405112 has 32 divisors (see below), whose sum is σ = 251748000. Its totient is φ = 57293184.

The previous prime is 124405109. The next prime is 124405117. The reversal of 124405112 is 211504421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124405117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61298 + ... + 63294.

It is an arithmetic number, because the mean of its divisors is an integer number (7867125).

Almost surely, 2^124405112 is an apocalyptic number.

It is an amenable number.

124405112 is an abundant number, since it is smaller than the sum of its proper divisors (127342888).

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

124405112 is a wasteful number, since it uses less digits than its factorization.

124405112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 124405112 is about 11153.7039587753. The cubic root of 124405112 is about 499.2055543809.

Adding to 124405112 its reverse (211504421), we get a palindrome (335909533).

The spelling of 124405112 in words is "one hundred twenty-four million, four hundred five thousand, one hundred twelve".