124745904 has 60 divisors (see below), whose sum is σ = 353927496. Its totient is φ = 41008896.

The previous prime is 124745899. The next prime is 124745909. The reversal of 124745904 is 409547421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (124745899) and next prime (124745909).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (124745909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4579 + ... + 16445.

Almost surely, 2^124745904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124745904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176963748).

124745904 is an abundant number, since it is smaller than the sum of its proper divisors (229181592).

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

124745904 is a wasteful number, since it uses less digits than its factorization.

124745904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11954 (or 11945 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 124745904 is about 11168.9705881966. The cubic root of 124745904 is about 499.6609755101.

The spelling of 124745904 in words is "one hundred twenty-four million, seven hundred forty-five thousand, nine hundred four".