121724373 has 8 divisors (see below), whose sum is σ = 162979200. Its totient is φ = 80809568.

The previous prime is 121724371. The next prime is 121724387. The reversal of 121724373 is 373427121.

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 121724373 - 2¹ = 121724371 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121724373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121724371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84168 + ... + 85601.

It is an arithmetic number, because the mean of its divisors is an integer number (20372400).

Almost surely, 2^121724373 is an apocalyptic number.

It is an amenable number.

121724373 is a deficient number, since it is larger than the sum of its proper divisors (41254827).

121724373 is a wasteful number, since it uses less digits than its factorization.

121724373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170011.

The product of its digits is 7056, while the sum is 30.

The square root of 121724373 is about 11032.8769140238. The cubic root of 121724373 is about 495.5937818779.

The spelling of 121724373 in words is "one hundred twenty-one million, seven hundred twenty-four thousand, three hundred seventy-three".