1236116032 has 56 divisors (see below), whose sum is σ = 2508464376. Its totient is φ = 604151808.

The previous prime is 1236116029. The next prime is 1236116047. The reversal of 1236116032 is 2306116321.

It can be written as a sum of positive squares in 4 ways, for example, as 627803136 + 608312896 = 25056^2 + 24664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1236115988 and 1236116006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1264728 + ... + 1265704.

Almost surely, 2^1236116032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1236116032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1254232188).

1236116032 is an abundant number, since it is smaller than the sum of its proper divisors (1272348344).

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

1236116032 is an equidigital number, since it uses as much as digits as its factorization.

1236116032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1236116032 is about 35158.4418312302. The cubic root of 1236116032 is about 1073.2142067379.

The spelling of 1236116032 in words is "one billion, two hundred thirty-six million, one hundred sixteen thousand, thirty-two".