121472880 has 160 divisors (see below), whose sum is σ = 402831360. Its totient is φ = 30213120.

The previous prime is 121472843. The next prime is 121472881. The reversal of 121472880 is 88274121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121472881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215479 + ... + 216041.

It is an arithmetic number, because the mean of its divisors is an integer number (2517696).

Almost surely, 2^121472880 is an apocalyptic number.

121472880 is a gapful number since it is divisible by the number (10) 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 121472880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201415680).

121472880 is an abundant number, since it is smaller than the sum of its proper divisors (281358480).

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

121472880 is a wasteful number, since it uses less digits than its factorization.

121472880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 121472880 is about 11021.4735856872. The cubic root of 121472880 is about 495.2522334533.

The spelling of 121472880 in words is "one hundred twenty-one million, four hundred seventy-two thousand, eight hundred eighty".