1232112987 has 36 divisors (see below), whose sum is σ = 2126266896. Its totient is φ = 685026720.

The previous prime is 1232112977. The next prime is 1232112997. The reversal of 1232112987 is 7892112321.

It is an interprime number because it is at equal distance from previous prime (1232112977) and next prime (1232112997).

It is not a de Polignac number, because 1232112987 - 2⁴ = 1232112971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232112977) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21439 + ... + 54072.

Almost surely, 2^1232112987 is an apocalyptic number.

1232112987 is a deficient number, since it is larger than the sum of its proper divisors (894153909).

1232112987 is a wasteful number, since it uses less digits than its factorization.

1232112987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75568 (or 75558 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1232112987 is about 35101.4670206247. The cubic root of 1232112987 is about 1072.0544529753.

The spelling of 1232112987 in words is "one billion, two hundred thirty-two million, one hundred twelve thousand, nine hundred eighty-seven".