1187849882 has 4 divisors (see below), whose sum is σ = 1781774826. Its totient is φ = 593924940.

The previous prime is 1187849879. The next prime is 1187849917. The reversal of 1187849882 is 2889487811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 963419521 + 224430361 = 31039^2 + 14981^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 296962469 + ... + 296962472.

Almost surely, 2^1187849882 is an apocalyptic number.

1187849882 is a deficient number, since it is larger than the sum of its proper divisors (593924944).

1187849882 is an equidigital number, since it uses as much as digits as its factorization.

1187849882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593924943.

The product of its digits is 2064384, while the sum is 56.

The square root of 1187849882 is about 34465.1981279667. The cubic root of 1187849882 is about 1059.0598885477.

The spelling of 1187849882 in words is "one billion, one hundred eighty-seven million, eight hundred forty-nine thousand, eight hundred eighty-two".