121474321 has 2 divisors, whose sum is σ = 121474322. Its totient is φ = 121474320.

The previous prime is 121474307. The next prime is 121474369. The reversal of 121474321 is 123474121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103530625 + 17943696 = 10175^2 + 4236^2 .

It is a cyclic number.

It is not a de Polignac number, because 121474321 - 2⁵ = 121474289 is a prime.

It is a super-2 number, since 2×121474321² = 29512021324822082, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (121474421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60737160 + 60737161.

It is an arithmetic number, because the mean of its divisors is an integer number (60737161).

Almost surely, 2^121474321 is an apocalyptic number.

It is an amenable number.

121474321 is a deficient number, since it is larger than the sum of its proper divisors (1).

121474321 is an equidigital number, since it uses as much as digits as its factorization.

121474321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 25.

The square root of 121474321 is about 11021.5389578770. The cubic root of 121474321 is about 495.2541917935.

The spelling of 121474321 in words is "one hundred twenty-one million, four hundred seventy-four thousand, three hundred twenty-one".