121376112 has 80 divisors (see below), whose sum is σ = 368393088. Its totient is φ = 33949440.

The previous prime is 121376111. The next prime is 121376117. The reversal of 121376112 is 211673121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121376111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1978 + ... + 15705.

Almost surely, 2^121376112 is an apocalyptic number.

121376112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121376112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184196544).

121376112 is an abundant number, since it is smaller than the sum of its proper divisors (247016976).

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

121376112 is a wasteful number, since it uses less digits than its factorization.

121376112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718 (or 17712 counting only the distinct ones).

The product of its digits is 504, while the sum is 24.

The square root of 121376112 is about 11017.0827354613. The cubic root of 121376112 is about 495.1206888658.

The spelling of 121376112 in words is "one hundred twenty-one million, three hundred seventy-six thousand, one hundred twelve".