121474681 has 8 divisors (see below), whose sum is σ = 123609024. Its totient is φ = 119352240.

The previous prime is 121474679. The next prime is 121474693. The reversal of 121474681 is 186474121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121474681 - 2¹ = 121474679 is a prime.

It is a super-2 number, since 2×121474681² = 29512196248103522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121474601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19011 + ... + 24583.

It is an arithmetic number, because the mean of its divisors is an integer number (15451128).

Almost surely, 2^121474681 is an apocalyptic number.

It is an amenable number.

121474681 is a deficient number, since it is larger than the sum of its proper divisors (2134343).

121474681 is an equidigital number, since it uses as much as digits as its factorization.

121474681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951.

The product of its digits is 10752, while the sum is 34.

The square root of 121474681 is about 11021.5552895224. Note that the first 3 decimals coincide. The cubic root of 121474681 is about 495.2546810363.

The spelling of 121474681 in words is "one hundred twenty-one million, four hundred seventy-four thousand, six hundred eighty-one".