121331295 has 48 divisors (see below), whose sum is σ = 224078400. Its totient is φ = 60521472.

The previous prime is 121331269. The next prime is 121331333. The reversal of 121331295 is 592133121.

It is not a de Polignac number, because 121331295 - 2⁷ = 121331167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151837 + ... + 152633.

It is an arithmetic number, because the mean of its divisors is an integer number (4668300).

Almost surely, 2^121331295 is an apocalyptic number.

121331295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121331295 is a deficient number, since it is larger than the sum of its proper divisors (102747105).

121331295 is a wasteful number, since it uses less digits than its factorization.

121331295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1021 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 121331295 is about 11015.0485700246. The cubic root of 121331295 is about 495.0597417946.

The spelling of 121331295 in words is "one hundred twenty-one million, three hundred thirty-one thousand, two hundred ninety-five".