1188411264 has 160 divisors (see below), whose sum is σ = 3581895240. Its totient is φ = 391080960.

The previous prime is 1188411179. The next prime is 1188411313. The reversal of 1188411264 is 4621148811.

1188411264 is a `hidden beast` number, since 1 + 188 + 411 + 2 + 64 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 859854 + ... + 861234.

Almost surely, 2^1188411264 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 1188411264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1790947620).

1188411264 is an abundant number, since it is smaller than the sum of its proper divisors (2393483976).

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

1188411264 is an equidigital number, since it uses as much as digits as its factorization.

1188411264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1469 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 1188411264 is about 34473.3413524132. The cubic root of 1188411264 is about 1059.2267007383.

The spelling of 1188411264 in words is "one billion, one hundred eighty-eight million, four hundred eleven thousand, two hundred sixty-four".