121329275 has 6 divisors (see below), whose sum is σ = 150448332. Its totient is φ = 97063400.

The previous prime is 121329259. The next prime is 121329287. The reversal of 121329275 is 572923121.

It is not a de Polignac number, because 121329275 - 2⁴ = 121329259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2426561 + ... + 2426610.

It is an arithmetic number, because the mean of its divisors is an integer number (25074722).

Almost surely, 2^121329275 is an apocalyptic number.

121329275 is a deficient number, since it is larger than the sum of its proper divisors (29119057).

121329275 is an equidigital number, since it uses as much as digits as its factorization.

121329275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853181 (or 4853176 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 121329275 is about 11014.9568769015. The cubic root of 121329275 is about 495.0569944237.

The spelling of 121329275 in words is "one hundred twenty-one million, three hundred twenty-nine thousand, two hundred seventy-five".