100125660 has 48 divisors (see below), whose sum is σ = 289400832. Its totient is φ = 25838400.

The previous prime is 100125659. The next prime is 100125667. The reversal of 100125660 is 66521001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100125667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25056 + ... + 28775.

It is an arithmetic number, because the mean of its divisors is an integer number (6029184).

Almost surely, 2^100125660 is an apocalyptic number.

100125660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100125660 is an abundant number, since it is smaller than the sum of its proper divisors (189275172).

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

100125660 is a wasteful number, since it uses less digits than its factorization.

100125660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53874 (or 53872 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 100125660 is about 10006.2810274347. The cubic root of 100125660 is about 464.3532226660.

Adding to 100125660 its reverse (66521001), we get a palindrome (166646661).

The spelling of 100125660 in words is "one hundred million, one hundred twenty-five thousand, six hundred sixty".