100122140 has 24 divisors (see below), whose sum is σ = 210556752. Its totient is φ = 39991680.

The previous prime is 100122089. The next prime is 100122179. The reversal of 100122140 is 41221001.

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, 12560 + ... + 18920.

It is an arithmetic number, because the mean of its divisors is an integer number (8773198).

Almost surely, 2^100122140 is an apocalyptic number.

100122140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122140 is an abundant number, since it is smaller than the sum of its proper divisors (110434612).

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

100122140 is a wasteful number, since it uses less digits than its factorization.

100122140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157 (or 7155 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 100122140 is about 10006.1051363655. The cubic root of 100122140 is about 464.3477810290.

Adding to 100122140 its reverse (41221001), we get a palindrome (141343141).

The spelling of 100122140 in words is "one hundred million, one hundred twenty-two thousand, one hundred forty".