124402100 has 18 divisors (see below), whose sum is σ = 269952774. Its totient is φ = 49760800.

The previous prime is 124402093. The next prime is 124402121. The reversal of 124402100 is 1204421.

It can be written as a sum of positive squares in 3 ways, for example, as 38987536 + 85414564 = 6244^2 + 9242^2 .

It is a congruent number.

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, 621911 + ... + 622110.

Almost surely, 2^124402100 is an apocalyptic number.

124402100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124402100 is an abundant number, since it is smaller than the sum of its proper divisors (145550674).

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

124402100 is a wasteful number, since it uses less digits than its factorization.

124402100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244035 (or 1244028 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 124402100 is about 11153.5689355470. The cubic root of 124402100 is about 499.2015255559.

Adding to 124402100 its reverse (1204421), we get a palindrome (125606521).

The spelling of 124402100 in words is "one hundred twenty-four million, four hundred two thousand, one hundred".