121393273 has 4 divisors (see below), whose sum is σ = 121456000. Its totient is φ = 121330548.

The previous prime is 121393271. The next prime is 121393289. The reversal of 121393273 is 372393121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 372393121 = 349 ⋅1067029.

It is a cyclic number.

It is not a de Polignac number, because 121393273 - 2¹ = 121393271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121393271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28365 + ... + 32362.

It is an arithmetic number, because the mean of its divisors is an integer number (30364000).

Almost surely, 2^121393273 is an apocalyptic number.

It is an amenable number.

121393273 is a deficient number, since it is larger than the sum of its proper divisors (62727).

121393273 is an equidigital number, since it uses as much as digits as its factorization.

121393273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62726.

The product of its digits is 6804, while the sum is 31.

The square root of 121393273 is about 11017.8615438750. The cubic root of 121393273 is about 495.1440223032.

The spelling of 121393273 in words is "one hundred twenty-one million, three hundred ninety-three thousand, two hundred seventy-three".