100121180 has 24 divisors (see below), whose sum is σ = 215384400. Its totient is φ = 39071360.

The previous prime is 100121167. The next prime is 100121201. The reversal of 100121180 is 81121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60230 + ... + 61869.

It is an arithmetic number, because the mean of its divisors is an integer number (8974350).

Almost surely, 2^100121180 is an apocalyptic number.

100121180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100121180 is an abundant number, since it is smaller than the sum of its proper divisors (115263220).

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

100121180 is a wasteful number, since it uses less digits than its factorization.

100121180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122149 (or 122147 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 100121180 is about 10006.0571655373. The cubic root of 100121180 is about 464.3462969240.

Adding to 100121180 its reverse (81121001), we get a palindrome (181242181).

The spelling of 100121180 in words is "one hundred million, one hundred twenty-one thousand, one hundred eighty".