1152237636 has 120 divisors (see below), whose sum is σ = 3392336640. Its totient is φ = 337867200.

The previous prime is 1152237607. The next prime is 1152237641. The reversal of 1152237636 is 6367322511.

1152237636 is a `hidden beast` number, since 1 + 15 + 2 + 2 + 3 + 7 + 636 = 666.

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 1152237636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 105270 + ... + 115698.

It is an arithmetic number, because the mean of its divisors is an integer number (28269472).

Almost surely, 2^1152237636 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 1152237636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696168320).

1152237636 is an abundant number, since it is smaller than the sum of its proper divisors (2240099004).

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

1152237636 is a wasteful number, since it uses less digits than its factorization.

1152237636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10487 (or 10476 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 1152237636 is about 33944.6260253372. The cubic root of 1152237636 is about 1048.3686340359.

The spelling of 1152237636 in words is "one billion, one hundred fifty-two million, two hundred thirty-seven thousand, six hundred thirty-six".