1232858889 has 24 divisors (see below), whose sum is σ = 1830340512. Its totient is φ = 799174080.

The previous prime is 1232858849. The next prime is 1232858897. The reversal of 1232858889 is 9888582321.

It is not a de Polignac number, because 1232858889 - 2¹¹ = 1232856841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232858849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107842 + ... + 118724.

It is an arithmetic number, because the mean of its divisors is an integer number (76264188).

Almost surely, 2^1232858889 is an apocalyptic number.

It is an amenable number.

1232858889 is a deficient number, since it is larger than the sum of its proper divisors (597481623).

1232858889 is a wasteful number, since it uses less digits than its factorization.

1232858889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237 (or 11234 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 1232858889 is about 35112.0903536090. The cubic root of 1232858889 is about 1072.2707443541.

It can be divided in two parts, 12328 and 58889, that added together give a palindrome (71217).

The spelling of 1232858889 in words is "one billion, two hundred thirty-two million, eight hundred fifty-eight thousand, eight hundred eighty-nine".