121472008 has 16 divisors (see below), whose sum is σ = 260297280. Its totient is φ = 52059408.

The previous prime is 121472003. The next prime is 121472041. The reversal of 121472008 is 800274121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121472003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084516 + ... + 1084627.

It is an arithmetic number, because the mean of its divisors is an integer number (16268580).

Almost surely, 2^121472008 is an apocalyptic number.

It is an amenable number.

121472008 is an abundant number, since it is smaller than the sum of its proper divisors (138825272).

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

121472008 is a wasteful number, since it uses less digits than its factorization.

121472008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169156 (or 2169152 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 121472008 is about 11021.4340264777. The cubic root of 121472008 is about 495.2510483850.

The spelling of 121472008 in words is "one hundred twenty-one million, four hundred seventy-two thousand, eight".