121359112 has 48 divisors (see below), whose sum is σ = 267442560. Its totient is φ = 50573376.

The previous prime is 121359103. The next prime is 121359127. The reversal of 121359112 is 211953121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75873 + ... + 77455.

It is an arithmetic number, because the mean of its divisors is an integer number (5571720).

Almost surely, 2^121359112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121359112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133721280).

121359112 is an abundant number, since it is smaller than the sum of its proper divisors (146083448).

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

121359112 is a wasteful number, since it uses less digits than its factorization.

121359112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1629 counting only the distinct ones).

The product of its digits is 540, while the sum is 25.

The square root of 121359112 is about 11016.3111793377. The cubic root of 121359112 is about 495.0975721680.

The spelling of 121359112 in words is "one hundred twenty-one million, three hundred fifty-nine thousand, one hundred twelve".