121140233 has 2 divisors, whose sum is σ = 121140234. Its totient is φ = 121140232.

The previous prime is 121140211. The next prime is 121140247. The reversal of 121140233 is 332041121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76877824 + 44262409 = 8768^2 + 6653^2 .

It is a cyclic number.

It is not a de Polignac number, because 121140233 - 2⁶ = 121140169 is a prime.

It is a super-3 number, since 3×121140233³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121140263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60570116 + 60570117.

It is an arithmetic number, because the mean of its divisors is an integer number (60570117).

Almost surely, 2^121140233 is an apocalyptic number.

It is an amenable number.

121140233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121140233 is an equidigital number, since it uses as much as digits as its factorization.

121140233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121140233 is about 11006.3723814888. The cubic root of 121140233 is about 494.7997462262.

Adding to 121140233 its reverse (332041121), we get a palindrome (453181354).

The spelling of 121140233 in words is "one hundred twenty-one million, one hundred forty thousand, two hundred thirty-three".