121372576 has 48 divisors (see below), whose sum is σ = 259308000. Its totient is φ = 55588608.

The previous prime is 121372567. The next prime is 121372579. The reversal of 121372576 is 675273121.

It is not an unprimeable number, because it can be changed into a prime (121372579) 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, 56775 + ... + 58873.

It is an arithmetic number, because the mean of its divisors is an integer number (5402250).

Almost surely, 2^121372576 is an apocalyptic number.

121372576 is a gapful number since it is divisible by the number (16) 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 121372576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129654000).

121372576 is an abundant number, since it is smaller than the sum of its proper divisors (137935424).

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

121372576 is a wasteful number, since it uses less digits than its factorization.

121372576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2253 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 121372576 is about 11016.9222562384. The cubic root of 121372576 is about 495.1158807705.

The spelling of 121372576 in words is "one hundred twenty-one million, three hundred seventy-two thousand, five hundred seventy-six".