121253 has 8 divisors (see below), whose sum is σ = 134976. Its totient is φ = 108000.

The previous prime is 121229. The next prime is 121259. The reversal of 121253 is 352121.

It is a happy number.

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 121253 - 2⁶ = 121189 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121259) 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, 728 + ... + 878.

It is an arithmetic number, because the mean of its divisors is an integer number (16872).

2¹²¹²⁵³ is an apocalyptic number.

It is an amenable number.

121253 is a deficient number, since it is larger than the sum of its proper divisors (13723).

121253 is a wasteful number, since it uses less digits than its factorization.

121253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235.

The product of its digits is 60, while the sum is 14.

The square root of 121253 is about 348.2140146519. The cubic root of 121253 is about 49.4953231646.

Adding to 121253 its reverse (352121), we get a palindrome (473374).

The spelling of 121253 in words is "one hundred twenty-one thousand, two hundred fifty-three".