124395428 has 6 divisors (see below), whose sum is σ = 217692006. Its totient is φ = 62197712.

The previous prime is 124395407. The next prime is 124395499. The reversal of 124395428 is 824593421.

It can be written as a sum of positive squares in only one way, i.e., 70930084 + 53465344 = 8422^2 + 7312^2 .

It is a junction number, because it is equal to n+sod(n) for n = 124395391 and 124395400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15549425 + ... + 15549432.

It is an arithmetic number, because the mean of its divisors is an integer number (36282001).

Almost surely, 2^124395428 is an apocalyptic number.

It is an amenable number.

124395428 is a deficient number, since it is larger than the sum of its proper divisors (93296578).

124395428 is a wasteful number, since it uses less digits than its factorization.

124395428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31098861 (or 31098859 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 124395428 is about 11153.2698344477. The cubic root of 124395428 is about 499.1926009152.

The spelling of 124395428 in words is "one hundred twenty-four million, three hundred ninety-five thousand, four hundred twenty-eight".