1180105730 has 8 divisors (see below), whose sum is σ = 2124190332. Its totient is φ = 472042288.

The previous prime is 1180105709. The next prime is 1180105733. The reversal of 1180105730 is 375010811.

It can be written as a sum of positive squares in 2 ways, for example, as 1160560489 + 19545241 = 34067^2 + 4421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1180105730.

It is not an unprimeable number, because it can be changed into a prime (1180105733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59005277 + ... + 59005296.

Almost surely, 2^1180105730 is an apocalyptic number.

1180105730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1180105730 is a deficient number, since it is larger than the sum of its proper divisors (944084602).

1180105730 is a wasteful number, since it uses less digits than its factorization.

1180105730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118010580.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 1180105730 is about 34352.6669998124. Note that the first 3 decimals coincide. The cubic root of 1180105730 is about 1056.7533656711.

The spelling of 1180105730 in words is "one billion, one hundred eighty million, one hundred five thousand, seven hundred thirty".