1232121259 has 2 divisors, whose sum is σ = 1232121260. Its totient is φ = 1232121258.

The previous prime is 1232121239. The next prime is 1232121271. The reversal of 1232121259 is 9521212321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232121259 - 2⁵ = 1232121227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232121239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616060629 + 616060630.

It is an arithmetic number, because the mean of its divisors is an integer number (616060630).

Almost surely, 2^1232121259 is an apocalyptic number.

1232121259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232121259 is an equidigital number, since it uses as much as digits as its factorization.

1232121259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 1232121259 is about 35101.5848502600. The cubic root of 1232121259 is about 1072.0568521099.

The spelling of 1232121259 in words is "one billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred fifty-nine".