121926393 has 12 divisors (see below), whose sum is σ = 177763248. Its totient is φ = 80523960.

The previous prime is 121926367. The next prime is 121926403. The reversal of 121926393 is 393629121.

It is a happy number.

121926393 is a `hidden beast` number, since 1 + 2 + 19 + 2 + 639 + 3 = 666.

It is not a de Polignac number, because 121926393 - 2¹⁶ = 121860857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121926323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62343 + ... + 64268.

It is an arithmetic number, because the mean of its divisors is an integer number (14813604).

Almost surely, 2^121926393 is an apocalyptic number.

It is an amenable number.

121926393 is a deficient number, since it is larger than the sum of its proper divisors (55836855).

121926393 is a wasteful number, since it uses less digits than its factorization.

121926393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126724 (or 126721 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 121926393 is about 11042.0284821223. The cubic root of 121926393 is about 495.8678012775.

The spelling of 121926393 in words is "one hundred twenty-one million, nine hundred twenty-six thousand, three hundred ninety-three".