1179231240 has 128 divisors (see below), whose sum is σ = 3873744000. Its totient is φ = 284805120.

The previous prime is 1179231223. The next prime is 1179231253. The reversal of 1179231240 is 421329711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1179231198 and 1179231207.

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, 385236 + ... + 388284.

It is an arithmetic number, because the mean of its divisors is an integer number (30263625).

Almost surely, 2^1179231240 is an apocalyptic number.

1179231240 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 1179231240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1936872000).

1179231240 is an abundant number, since it is smaller than the sum of its proper divisors (2694512760).

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

1179231240 is a wasteful number, since it uses less digits than its factorization.

1179231240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367 (or 3363 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1179231240 is about 34339.9365171225. The cubic root of 1179231240 is about 1056.4922736386.

The spelling of 1179231240 in words is "one billion, one hundred seventy-nine million, two hundred thirty-one thousand, two hundred forty".