121284896 has 24 divisors (see below), whose sum is σ = 246484224. Its totient is φ = 58685760.

The previous prime is 121284893. The next prime is 121284959. The reversal of 121284896 is 698482121.

It is not an unprimeable number, because it can be changed into a prime (121284893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60140 + ... + 62123.

It is an arithmetic number, because the mean of its divisors is an integer number (10270176).

Almost surely, 2^121284896 is an apocalyptic number.

121284896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121284896 is an abundant number, since it is smaller than the sum of its proper divisors (125199328).

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

121284896 is a wasteful number, since it uses less digits than its factorization.

121284896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122304 (or 122296 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 121284896 is about 11012.9422045156. The cubic root of 121284896 is about 494.9966275320.

The spelling of 121284896 in words is "one hundred twenty-one million, two hundred eighty-four thousand, eight hundred ninety-six".