124240100 has 36 divisors (see below), whose sum is σ = 272292468. Its totient is φ = 49200000.

The previous prime is 124240093. The next prime is 124240121. The reversal of 124240100 is 1042421.

It can be written as a sum of positive squares in 6 ways, for example, as 719104 + 123520996 = 848^2 + 11114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3950 + ... + 16250.

Almost surely, 2^124240100 is an apocalyptic number.

124240100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124240100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136146234).

124240100 is an abundant number, since it is smaller than the sum of its proper divisors (148052368).

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

124240100 is a wasteful number, since it uses less digits than its factorization.

124240100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12416 (or 12409 counting only the distinct ones).

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

The square root of 124240100 is about 11146.3043202669. The cubic root of 124240100 is about 498.9847398891.

Adding to 124240100 its reverse (1042421), we get a palindrome (125282521).

The spelling of 124240100 in words is "one hundred twenty-four million, two hundred forty thousand, one hundred".