124142404 has 6 divisors (see below), whose sum is σ = 217249214. Its totient is φ = 62071200.

The previous prime is 124142401. The next prime is 124142423. The reversal of 124142404 is 404241421.

It can be written as a sum of positive squares in only one way, i.e., 99042304 + 25100100 = 9952^2 + 5010^2 .

It is a super-2 number, since 2×124142404² = 30822672941798432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124142401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15517797 + ... + 15517804.

Almost surely, 2^124142404 is an apocalyptic number.

It is an amenable number.

124142404 is a deficient number, since it is larger than the sum of its proper divisors (93106810).

124142404 is a wasteful number, since it uses less digits than its factorization.

124142404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31035605 (or 31035603 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 124142404 is about 11141.9210192857. The cubic root of 124142404 is about 498.8539136460.

Adding to 124142404 its reverse (404241421), we get a palindrome (528383825).

The spelling of 124142404 in words is "one hundred twenty-four million, one hundred forty-two thousand, four hundred four".