1236832056 has 48 divisors (see below), whose sum is σ = 3526060200. Its totient is φ = 390578112.

The previous prime is 1236832043. The next prime is 1236832057. The reversal of 1236832056 is 6502386321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1236832056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236832057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450691 + ... + 453426.

Almost surely, 2^1236832056 is an apocalyptic number.

It is an amenable number.

1236832056 is an abundant number, since it is smaller than the sum of its proper divisors (2289228144).

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

1236832056 is a wasteful number, since it uses less digits than its factorization.

1236832056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904148 (or 904141 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1236832056 is about 35168.6231746425. The cubic root of 1236832056 is about 1073.4213876124.

The spelling of 1236832056 in words is "one billion, two hundred thirty-six million, eight hundred thirty-two thousand, fifty-six".