1189648876 has 24 divisors (see below), whose sum is σ = 2246877360. Its totient is φ = 547881792.

The previous prime is 1189648853. The next prime is 1189648883. The reversal of 1189648876 is 6788469811.

It is a self number, because there is not a number n which added to its sum of digits gives 1189648876.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211 + ... + 48778.

It is an arithmetic number, because the mean of its divisors is an integer number (93619890).

Almost surely, 2^1189648876 is an apocalyptic number.

It is an amenable number.

1189648876 is a deficient number, since it is larger than the sum of its proper divisors (1057228484).

1189648876 is a wasteful number, since it uses less digits than its factorization.

1189648876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49473 (or 49471 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 58.

The square root of 1189648876 is about 34491.2869577231. The cubic root of 1189648876 is about 1059.5942662203.

The spelling of 1189648876 in words is "one billion, one hundred eighty-nine million, six hundred forty-eight thousand, eight hundred seventy-six".