121933 has 4 divisors (see below), whose sum is σ = 139360. Its totient is φ = 104508.

The previous prime is 121931. The next prime is 121937. The reversal of 121933 is 339121.

121933 = 32² + 33² + ... + 73².

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.

It is a cyclic number.

It is not a de Polignac number, because 121933 - 2¹ = 121931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121931) 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, 8703 + ... + 8716.

It is an arithmetic number, because the mean of its divisors is an integer number (34840).

2¹²¹⁹³³ is an apocalyptic number.

It is an amenable number.

121933 is a deficient number, since it is larger than the sum of its proper divisors (17427).

121933 is an equidigital number, since it uses as much as digits as its factorization.

121933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17426.

The product of its digits is 162, while the sum is 19.

The square root of 121933 is about 349.1890605388. The cubic root of 121933 is about 49.5876757882.

Subtracting from 121933 its product of digits (162), we obtain a triangular number (121771 = T₄₉₃).

The spelling of 121933 in words is "one hundred twenty-one thousand, nine hundred thirty-three".