100122044 has 24 divisors (see below), whose sum is σ = 202387248. Its totient is φ = 42832640.

The previous prime is 100122023. The next prime is 100122047. The reversal of 100122044 is 440221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66179 + ... + 67674.

It is an arithmetic number, because the mean of its divisors is an integer number (8432802).

Almost surely, 2^100122044 is an apocalyptic number.

It is an amenable number.

100122044 is an abundant number, since it is smaller than the sum of its proper divisors (102265204).

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

100122044 is a wasteful number, since it uses less digits than its factorization.

100122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133885 (or 133883 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 100122044 is about 10006.1003392930. The cubic root of 100122044 is about 464.3476326189.

Adding to 100122044 its reverse (440221001), we get a palindrome (540343045).

The spelling of 100122044 in words is "one hundred million, one hundred twenty-two thousand, forty-four".