121350253 has 2 divisors, whose sum is σ = 121350254. Its totient is φ = 121350252.

The previous prime is 121350223. The next prime is 121350293. The reversal of 121350253 is 352053121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71605444 + 49744809 = 8462^2 + 7053^2 .

It is a cyclic number.

It is not a de Polignac number, because 121350253 - 2⁵ = 121350221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121350223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60675126 + 60675127.

It is an arithmetic number, because the mean of its divisors is an integer number (60675127).

Almost surely, 2^121350253 is an apocalyptic number.

It is an amenable number.

121350253 is a deficient number, since it is larger than the sum of its proper divisors (1).

121350253 is an equidigital number, since it uses as much as digits as its factorization.

121350253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 121350253 is about 11015.9090864077. The cubic root of 121350253 is about 495.0855247932.

The spelling of 121350253 in words is "one hundred twenty-one million, three hundred fifty thousand, two hundred fifty-three".