1189484480 has 28 divisors (see below), whose sum is σ = 2832460680. Its totient is φ = 475793664.

The previous prime is 1189484467. The next prime is 1189484551. The reversal of 1189484480 is 844849811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858250 + ... + 1858889.

It is an arithmetic number, because the mean of its divisors is an integer number (101159310).

Almost surely, 2^1189484480 is an apocalyptic number.

1189484480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1189484480 is an abundant number, since it is smaller than the sum of its proper divisors (1642976200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1189484480 is an equidigital number, since it uses as much as digits as its factorization.

1189484480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717156 (or 3717146 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The square root of 1189484480 is about 34488.9037227918. The cubic root of 1189484480 is about 1059.5454559966.

The spelling of 1189484480 in words is "one billion, one hundred eighty-nine million, four hundred eighty-four thousand, four hundred eighty".