100661124 has 12 divisors (see below), whose sum is σ = 234875984. Its totient is φ = 33553704.

The previous prime is 100661111. The next prime is 100661129. The reversal of 100661124 is 421166001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 100661124.

It is not an unprimeable number, because it can be changed into a prime (100661129) 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 3 ways as a sum of consecutive naturals, for example, 4194202 + ... + 4194225.

Almost surely, 2^100661124 is an apocalyptic number.

It is an amenable number.

100661124 is an abundant number, since it is smaller than the sum of its proper divisors (134214860).

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

100661124 is a wasteful number, since it uses less digits than its factorization.

100661124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8388434 (or 8388432 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 100661124 is about 10033.0017442438. The cubic root of 100661124 is about 465.1795260091.

The spelling of 100661124 in words is "one hundred million, six hundred sixty-one thousand, one hundred twenty-four".