121253253 has 12 divisors (see below), whose sum is σ = 177705024. Its totient is φ = 73486600.

The previous prime is 121253233. The next prime is 121253261. The reversal of 121253253 is 352352121.

It is a happy number.

It is not a de Polignac number, because 121253253 - 2¹² = 121249157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121253203) 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, 166653 + ... + 167378.

It is an arithmetic number, because the mean of its divisors is an integer number (14808752).

Almost surely, 2^121253253 is an apocalyptic number.

It is an amenable number.

121253253 is a deficient number, since it is larger than the sum of its proper divisors (56451771).

121253253 is a wasteful number, since it uses less digits than its factorization.

121253253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334056 (or 334045 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 121253253 is about 11011.5054829029. The cubic root of 121253253 is about 494.9535758931.

The spelling of 121253253 in words is "one hundred twenty-one million, two hundred fifty-three thousand, two hundred fifty-three".