1232885687 has 4 divisors (see below), whose sum is σ = 1344966216. Its totient is φ = 1120805160.

The previous prime is 1232885681. The next prime is 1232885707. The reversal of 1232885687 is 7865882321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7865882321 = 11 ⋅715080211.

It is a cyclic number.

It is not a de Polignac number, because 1232885687 - 2⁸ = 1232885431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232885681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56040248 + ... + 56040269.

It is an arithmetic number, because the mean of its divisors is an integer number (336241554).

Almost surely, 2^1232885687 is an apocalyptic number.

1232885687 is a deficient number, since it is larger than the sum of its proper divisors (112080529).

1232885687 is a wasteful number, since it uses less digits than its factorization.

1232885687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112080528.

The product of its digits is 1290240, while the sum is 50.

The square root of 1232885687 is about 35112.4719579810. The cubic root of 1232885687 is about 1072.2785134246.

The spelling of 1232885687 in words is "one billion, two hundred thirty-two million, eight hundred eighty-five thousand, six hundred eighty-seven".