124077904 has 40 divisors (see below), whose sum is σ = 257240480. Its totient is φ = 57801600.

The previous prime is 124077887. The next prime is 124077911. The reversal of 124077904 is 409770421.

It is a super-2 number, since 2×124077904² = 30790652522066432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124077904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15199 + ... + 21889.

It is an arithmetic number, because the mean of its divisors is an integer number (6431012).

Almost surely, 2^124077904 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 124077904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128620240).

124077904 is an abundant number, since it is smaller than the sum of its proper divisors (133162576).

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

124077904 is a wasteful number, since it uses less digits than its factorization.

124077904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6779 (or 6773 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 124077904 is about 11139.0261692843. The cubic root of 124077904 is about 498.7675030656.

The spelling of 124077904 in words is "one hundred twenty-four million, seventy-seven thousand, nine hundred four".