100242403124 has 36 divisors (see below), whose sum is σ = 179040652644. Its totient is φ = 49095600000.

The previous prime is 100242403109. The next prime is 100242403127. The reversal of 100242403124 is 421304242001.

It can be written as a sum of positive squares in 2 ways, for example, as 45518222500 + 54724180624 = 213350^2 + 233932^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100242403124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100242403127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15368984 + ... + 15375504.

Almost surely, 2^100242403124 is an apocalyptic number.

It is an amenable number.

100242403124 is a deficient number, since it is larger than the sum of its proper divisors (78798249520).

100242403124 is an equidigital number, since it uses as much as digits as its factorization.

100242403124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088 (or 6835 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 100242403124 its reverse (421304242001), we get a palindrome (521546645125).

The spelling of 100242403124 in words is "one hundred billion, two hundred forty-two million, four hundred three thousand, one hundred twenty-four".