124213404 has 48 divisors (see below), whose sum is σ = 341927936. Its totient is φ = 34344000.

The previous prime is 124213399. The next prime is 124213417. The reversal of 124213404 is 404312421.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21247 + ... + 26454.

Almost surely, 2^124213404 is an apocalyptic number.

124213404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

124213404 is an abundant number, since it is smaller than the sum of its proper divisors (217714532).

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

124213404 is a wasteful number, since it uses less digits than its factorization.

124213404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47746 (or 47744 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 124213404 is about 11145.1067289641. The cubic root of 124213404 is about 498.9489976695.

Adding to 124213404 its reverse (404312421), we get a palindrome (528525825).

The spelling of 124213404 in words is "one hundred twenty-four million, two hundred thirteen thousand, four hundred four".