121474285 has 4 divisors (see below), whose sum is σ = 145769148. Its totient is φ = 97179424.

The previous prime is 121474279. The next prime is 121474289. The reversal of 121474285 is 582474121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582474121 = 271 ⋅2149351.

It can be written as a sum of positive squares in 2 ways, for example, as 14600041 + 106874244 = 3821^2 + 10338^2 .

It is a cyclic number.

It is not a de Polignac number, because 121474285 - 2⁹ = 121473773 is a prime.

It is a super-2 number, since 2×121474285² = 29512003832522450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121474285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121474289) 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 3 ways as a sum of consecutive naturals, for example, 12147424 + ... + 12147433.

It is an arithmetic number, because the mean of its divisors is an integer number (36442287).

Almost surely, 2^121474285 is an apocalyptic number.

It is an amenable number.

121474285 is a deficient number, since it is larger than the sum of its proper divisors (24294863).

121474285 is an equidigital number, since it uses as much as digits as its factorization.

121474285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24294862.

The product of its digits is 17920, while the sum is 34.

The square root of 121474285 is about 11021.5373247111. The cubic root of 121474285 is about 495.2541428691.

The spelling of 121474285 in words is "one hundred twenty-one million, four hundred seventy-four thousand, two hundred eighty-five".