121417472 has 36 divisors (see below), whose sum is σ = 264399576. Its totient is φ = 55188480.

The previous prime is 121417447. The next prime is 121417493. The reversal of 121417472 is 274714121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18743 + ... + 24374.

Almost surely, 2^121417472 is an apocalyptic number.

It is an amenable number.

121417472 is an abundant number, since it is smaller than the sum of its proper divisors (142982104).

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

121417472 is an equidigital number, since it uses as much as digits as its factorization.

121417472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43144 (or 43130 counting only the distinct ones).

The product of its digits is 3136, while the sum is 29.

The square root of 121417472 is about 11018.9596605124. The cubic root of 121417472 is about 495.1769214192.

The spelling of 121417472 in words is "one hundred twenty-one million, four hundred seventeen thousand, four hundred seventy-two".