121853342 has 16 divisors (see below), whose sum is σ = 197052912. Its totient is φ = 56179200.

The previous prime is 121853323. The next prime is 121853359. The reversal of 121853342 is 243358121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29717 + ... + 33567.

It is an arithmetic number, because the mean of its divisors is an integer number (12315807).

Almost surely, 2^121853342 is an apocalyptic number.

121853342 is a deficient number, since it is larger than the sum of its proper divisors (75199570).

121853342 is a wasteful number, since it uses less digits than its factorization.

121853342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083.

The product of its digits is 5760, while the sum is 29.

The square root of 121853342 is about 11038.7201250870. The cubic root of 121853342 is about 495.7687500532.

The spelling of 121853342 in words is "one hundred twenty-one million, eight hundred fifty-three thousand, three hundred forty-two".