1232887656 has 512 divisors, whose sum is σ = 4535193600. Its totient is φ = 268738560.

The previous prime is 1232887631. The next prime is 1232887657. The reversal of 1232887656 is 6567882321.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1232887657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16888836 + ... + 16888908.

It is an arithmetic number, because the mean of its divisors is an integer number (8857800).

Almost surely, 2^1232887656 is an apocalyptic number.

It is a pronic number, being equal to 35112×35113.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232887656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2267596800).

1232887656 is an abundant number, since it is smaller than the sum of its proper divisors (3302305944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232887656 is a wasteful number, since it uses less digits than its factorization.

1232887656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 165 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 1232887656 is about 35112.4999964400. The cubic root of 1232887656 is about 1072.2790842576.

It can be divided in two parts, 1232 and 887656, that added together give a palindrome (888888).

The spelling of 1232887656 in words is "one billion, two hundred thirty-two million, eight hundred eighty-seven thousand, six hundred fifty-six".