121340296 has 64 divisors (see below), whose sum is σ = 285068160. Its totient is φ = 47040000.

The previous prime is 121340269. The next prime is 121340299. The reversal of 121340296 is 692043121.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (121340299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172746 + ... + 173446.

It is an arithmetic number, because the mean of its divisors is an integer number (4454190).

Almost surely, 2^121340296 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 121340296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142534080).

121340296 is an abundant number, since it is smaller than the sum of its proper divisors (163727864).

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

121340296 is a wasteful number, since it uses less digits than its factorization.

121340296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 121340296 is about 11015.4571398558. The cubic root of 121340296 is about 495.0719835458.

The spelling of 121340296 in words is "one hundred twenty-one million, three hundred forty thousand, two hundred ninety-six".