124140404 has 12 divisors (see below), whose sum is σ = 219687300. Its totient is φ = 61372608.

The previous prime is 124140397. The next prime is 124140449. The reversal of 124140404 is 404041421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22090000 + 102050404 = 4700^2 + 10102^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173999 + ... + 174710.

It is an arithmetic number, because the mean of its divisors is an integer number (18307275).

Almost surely, 2^124140404 is an apocalyptic number.

It is an amenable number.

124140404 is a deficient number, since it is larger than the sum of its proper divisors (95546896).

124140404 is a wasteful number, since it uses less digits than its factorization.

124140404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348802 (or 348800 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 124140404 is about 11141.8312677944. The cubic root of 124140404 is about 498.8512346979.

Adding to 124140404 its reverse (404041421), we get a palindrome (528181825).

The spelling of 124140404 in words is "one hundred twenty-four million, one hundred forty thousand, four hundred four".