1194966864 has 320 divisors, whose sum is σ = 4274726400. Its totient is φ = 311205888.

The previous prime is 1194966841. The next prime is 1194966893. The reversal of 1194966864 is 4686694911.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1194966864.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4442122 + ... + 4442390.

It is an arithmetic number, because the mean of its divisors is an integer number (13358520).

Almost surely, 2^1194966864 is an apocalyptic number.

1194966864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1194966864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2137363200).

1194966864 is an abundant number, since it is smaller than the sum of its proper divisors (3079759536).

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

1194966864 is a wasteful number, since it uses less digits than its factorization.

1194966864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 407 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 1194966864 is about 34568.2927550667. The cubic root of 1194966864 is about 1061.1707913263.

The spelling of 1194966864 in words is "one billion, one hundred ninety-four million, nine hundred sixty-six thousand, eight hundred sixty-four".