100115700 has 36 divisors (see below), whose sum is σ = 289668960. Its totient is φ = 26697440.

The previous prime is 100115683. The next prime is 100115707. The reversal of 100115700 is 7511001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100115700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100115707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166560 + ... + 167159.

It is an arithmetic number, because the mean of its divisors is an integer number (8046360).

Almost surely, 2^100115700 is an apocalyptic number.

100115700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100115700 is an abundant number, since it is smaller than the sum of its proper divisors (189553260).

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

100115700 is a wasteful number, since it uses less digits than its factorization.

100115700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333736 (or 333729 counting only the distinct ones).

The product of its (nonzero) digits is 35, while the sum is 15.

The square root of 100115700 is about 10005.7833276561. The cubic root of 100115700 is about 464.3378249765.

Adding to 100115700 its reverse (7511001), we get a palindrome (107626701).

The spelling of 100115700 in words is "one hundred million, one hundred fifteen thousand, seven hundred".