124478028 has 18 divisors (see below), whose sum is σ = 314652884. Its totient is φ = 41492664.

The previous prime is 124478017. The next prime is 124478033. The reversal of 124478028 is 820874421.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3457723 = 124478028 / (1 + 2 + 4 + 4 + 7 + 8 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 124477983 and 124478001.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1728826 + ... + 1728897.

Almost surely, 2^124478028 is an apocalyptic number.

124478028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

124478028 is an abundant number, since it is smaller than the sum of its proper divisors (190174856).

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

124478028 is a wasteful number, since it uses less digits than its factorization.

124478028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457733 (or 3457728 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 124478028 is about 11156.9721699034. The cubic root of 124478028 is about 499.3030663517.

The spelling of 124478028 in words is "one hundred twenty-four million, four hundred seventy-eight thousand, twenty-eight".