121098253 has 2 divisors, whose sum is σ = 121098254. Its totient is φ = 121098252.

The previous prime is 121098227. The next prime is 121098283. The reversal of 121098253 is 352890121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109788484 + 11309769 = 10478^2 + 3363^2 .

It is a cyclic number.

It is not a de Polignac number, because 121098253 - 2⁵ = 121098221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121098203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60549126 + 60549127.

It is an arithmetic number, because the mean of its divisors is an integer number (60549127).

Almost surely, 2^121098253 is an apocalyptic number.

It is an amenable number.

121098253 is a deficient number, since it is larger than the sum of its proper divisors (1).

121098253 is an equidigital number, since it uses as much as digits as its factorization.

121098253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 121098253 is about 11004.4651392060. The cubic root of 121098253 is about 494.7425835679.

The spelling of 121098253 in words is "one hundred twenty-one million, ninety-eight thousand, two hundred fifty-three".