121943345 has 8 divisors (see below), whose sum is σ = 146537664. Its totient is φ = 97417584.

The previous prime is 121943317. The next prime is 121943357. The reversal of 121943345 is 543349121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121943345 - 2²² = 117749041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13139 + ... + 20408.

It is an arithmetic number, because the mean of its divisors is an integer number (18317208).

Almost surely, 2^121943345 is an apocalyptic number.

It is an amenable number.

121943345 is a deficient number, since it is larger than the sum of its proper divisors (24594319).

121943345 is an equidigital number, since it uses as much as digits as its factorization.

121943345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34279.

The product of its digits is 12960, while the sum is 32.

The square root of 121943345 is about 11042.7960680255. The cubic root of 121943345 is about 495.8907811569.

The spelling of 121943345 in words is "one hundred twenty-one million, nine hundred forty-three thousand, three hundred forty-five".