1180669887 has 12 divisors (see below), whose sum is σ = 1709869824. Its totient is φ = 785055840.

The previous prime is 1180669883. The next prime is 1180669933. The reversal of 1180669887 is 7889660811.

It is not a de Polignac number, because 1180669887 - 2² = 1180669883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180669883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167814 + ... + 174707.

It is an arithmetic number, because the mean of its divisors is an integer number (142489152).

Almost surely, 2^1180669887 is an apocalyptic number.

1180669887 is a deficient number, since it is larger than the sum of its proper divisors (529199937).

1180669887 is a wasteful number, since it uses less digits than its factorization.

1180669887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342910 (or 342907 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 1180669887 is about 34360.8772734341. The cubic root of 1180669887 is about 1056.9217347182.

The spelling of 1180669887 in words is "one billion, one hundred eighty million, six hundred sixty-nine thousand, eight hundred eighty-seven".