121293 has 6 divisors (see below), whose sum is σ = 175214. Its totient is φ = 80856.

The previous prime is 121291. The next prime is 121309. The reversal of 121293 is 392121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 110889 + 10404 = 333^2 + 102^2 .

It is not a de Polignac number, because 121293 - 2¹ = 121291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6730 + ... + 6747.

2¹²¹²⁹³ is an apocalyptic number.

It is an amenable number.

121293 is a deficient number, since it is larger than the sum of its proper divisors (53921).

121293 is a wasteful number, since it uses less digits than its factorization.

121293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13483 (or 13480 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 121293 is about 348.2714458580. The cubic root of 121293 is about 49.5007652162.

It can be divided in two parts, 121 and 293, that multiplied together give a palindrome (35453).

The spelling of 121293 in words is "one hundred twenty-one thousand, two hundred ninety-three".