1180252836 has 96 divisors (see below), whose sum is σ = 3505582080. Its totient is φ = 336392352.

The previous prime is 1180252819. The next prime is 1180252837. The reversal of 1180252836 is 6382520811.

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 1180252836.

It is not an unprimeable number, because it can be changed into a prime (1180252837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351381 + ... + 354723.

It is an arithmetic number, because the mean of its divisors is an integer number (36516480).

Almost surely, 2^1180252836 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 1180252836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1752791040).

1180252836 is an abundant number, since it is smaller than the sum of its proper divisors (2325329244).

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

1180252836 is a wasteful number, since it uses less digits than its factorization.

1180252836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830 (or 3822 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1180252836 is about 34354.8080477828. The cubic root of 1180252836 is about 1056.7972736864.

It can be divided in two parts, 1180 and 252836, that added together give a square (254016 = 504²).

The spelling of 1180252836 in words is "one billion, one hundred eighty million, two hundred fifty-two thousand, eight hundred thirty-six".