100243888 has 10 divisors (see below), whose sum is σ = 194222564. Its totient is φ = 50121936.

The previous prime is 100243877. The next prime is 100243907. The reversal of 100243888 is 888342001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3132606 + ... + 3132637.

Almost surely, 2^100243888 is an apocalyptic number.

It is an amenable number.

100243888 is a deficient number, since it is larger than the sum of its proper divisors (93978676).

100243888 is an equidigital number, since it uses as much as digits as its factorization.

100243888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265251 (or 6265245 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 100243888 is about 10012.1869738834. The cubic root of 100243888 is about 464.5359196176.

Adding to 100243888 its reverse (888342001), we get a palindrome (988585889).

The spelling of 100243888 in words is "one hundred million, two hundred forty-three thousand, eight hundred eighty-eight".