121973360 has 60 divisors (see below), whose sum is σ = 290994024. Its totient is φ = 47546880.

The previous prime is 121973353. The next prime is 121973363. The reversal of 121973360 is 63379121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121973363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134027 + ... + 134933.

Almost surely, 2^121973360 is an apocalyptic number.

121973360 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 121973360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145497012).

121973360 is an abundant number, since it is smaller than the sum of its proper divisors (169020664).

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

121973360 is an equidigital number, since it uses as much as digits as its factorization.

121973360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 121973360 is about 11044.1550152105. The cubic root of 121973360 is about 495.9314638220.

The spelling of 121973360 in words is "one hundred twenty-one million, nine hundred seventy-three thousand, three hundred sixty".