121282275 has 24 divisors (see below), whose sum is σ = 201884400. Its totient is φ = 64243840.

The previous prime is 121282237. The next prime is 121282277. The reversal of 121282275 is 572282121.

It is not a de Polignac number, because 121282275 - 2⁶ = 121282211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121282277) 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 23 ways as a sum of consecutive naturals, for example, 5749 + ... + 16601.

It is an arithmetic number, because the mean of its divisors is an integer number (8411850).

Almost surely, 2^121282275 is an apocalyptic number.

121282275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121282275 is a deficient number, since it is larger than the sum of its proper divisors (80602125).

121282275 is a wasteful number, since it uses less digits than its factorization.

121282275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11015 (or 11010 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 121282275 is about 11012.8232075159. The cubic root of 121282275 is about 494.9930618352.

The spelling of 121282275 in words is "one hundred twenty-one million, two hundred eighty-two thousand, two hundred seventy-five".