121456275 has 12 divisors (see below), whose sum is σ = 200807832. Its totient is φ = 64776640.

The previous prime is 121456273. The next prime is 121456289. The reversal of 121456275 is 572654121.

It is not a de Polignac number, because 121456275 - 2¹ = 121456273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121456273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 809634 + ... + 809783.

It is an arithmetic number, because the mean of its divisors is an integer number (16733986).

Almost surely, 2^121456275 is an apocalyptic number.

121456275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121456275 is a deficient number, since it is larger than the sum of its proper divisors (79351557).

121456275 is a wasteful number, since it uses less digits than its factorization.

121456275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619430 (or 1619425 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 121456275 is about 11020.7202577690. The cubic root of 121456275 is about 495.2296658973.

The spelling of 121456275 in words is "one hundred twenty-one million, four hundred fifty-six thousand, two hundred seventy-five".