121583373 has 8 divisors (see below), whose sum is σ = 162185088. Its totient is φ = 81018624.

The previous prime is 121583353. The next prime is 121583381. The reversal of 121583373 is 373385121.

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

It is not a de Polignac number, because 121583373 - 2¹⁸ = 121321229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121583353) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 340 + ... + 15597.

It is an arithmetic number, because the mean of its divisors is an integer number (20273136).

Almost surely, 2^121583373 is an apocalyptic number.

It is an amenable number.

121583373 is a deficient number, since it is larger than the sum of its proper divisors (40601715).

121583373 is a wasteful number, since it uses less digits than its factorization.

121583373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18483.

The product of its digits is 15120, while the sum is 33.

The square root of 121583373 is about 11026.4850700484. The cubic root of 121583373 is about 495.4023501475.

The spelling of 121583373 in words is "one hundred twenty-one million, five hundred eighty-three thousand, three hundred seventy-three".