1179945312 has 192 divisors, whose sum is σ = 3936006144. Its totient is φ = 301086720.

The previous prime is 1179945311. The next prime is 1179945341. The reversal of 1179945312 is 2135499711.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1179945311) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 268638 + ... + 272994.

It is an arithmetic number, because the mean of its divisors is an integer number (20500032).

Almost surely, 2^1179945312 is an apocalyptic number.

1179945312 is a gapful number since it is divisible by the number (12) 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 1179945312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1968003072).

1179945312 is an abundant number, since it is smaller than the sum of its proper divisors (2756060832).

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

1179945312 is a wasteful number, since it uses less digits than its factorization.

1179945312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421 (or 4413 counting only the distinct ones).

The product of its digits is 68040, while the sum is 42.

The square root of 1179945312 is about 34350.3320507968. The cubic root of 1179945312 is about 1056.7054801472.

The spelling of 1179945312 in words is "one billion, one hundred seventy-nine million, nine hundred forty-five thousand, three hundred twelve".