1179230640 has 160 divisors (see below), whose sum is σ = 4249013760. Its totient is φ = 264947712.

The previous prime is 1179230639. The next prime is 1179230659. The reversal of 1179230640 is 460329711.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93172 + ... + 105068.

It is an arithmetic number, because the mean of its divisors is an integer number (26556336).

Almost surely, 2^1179230640 is an apocalyptic number.

1179230640 is a gapful number since it is divisible by the number (10) 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 1179230640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2124506880).

1179230640 is an abundant number, since it is smaller than the sum of its proper divisors (3069783120).

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

1179230640 is a wasteful number, since it uses less digits than its factorization.

1179230640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11979 (or 11973 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1179230640 is about 34339.9277809375. The cubic root of 1179230640 is about 1056.4920944553.

The spelling of 1179230640 in words is "one billion, one hundred seventy-nine million, two hundred thirty thousand, six hundred forty".