121253342 has 12 divisors (see below), whose sum is σ = 211574880. Its totient is φ = 51965676.

The previous prime is 121253339. The next prime is 121253389. The reversal of 121253342 is 243352121.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 618542 + ... + 618737.

It is an arithmetic number, because the mean of its divisors is an integer number (17631240).

Almost surely, 2^121253342 is an apocalyptic number.

121253342 is a deficient number, since it is larger than the sum of its proper divisors (90321538).

121253342 is a wasteful number, since it uses less digits than its factorization.

121253342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237295 (or 1237288 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 121253342 is about 11011.5095241297. The cubic root of 121253342 is about 494.9536969919.

The spelling of 121253342 in words is "one hundred twenty-one million, two hundred fifty-three thousand, three hundred forty-two".