1181960684 has 48 divisors (see below), whose sum is σ = 2172360960. Its totient is φ = 562049280.

The previous prime is 1181960609. The next prime is 1181960687. The reversal of 1181960684 is 4860691811.

It is not an unprimeable number, because it can be changed into a prime (1181960687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121734 + ... + 2122290.

It is an arithmetic number, because the mean of its divisors is an integer number (45257520).

Almost surely, 2^1181960684 is an apocalyptic number.

It is an amenable number.

1181960684 is a deficient number, since it is larger than the sum of its proper divisors (990400276).

1181960684 is a wasteful number, since it uses less digits than its factorization.

With its successor (1181960685) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (856).

With its successor (1181960685) it forms an eRAP, since the sums of their prime factors are consecutive (858 and 859).

1181960684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 1181960684 is about 34379.6550884386. The cubic root of 1181960684 is about 1057.3067631801.

The spelling of 1181960684 in words is "one billion, one hundred eighty-one million, nine hundred sixty thousand, six hundred eighty-four".