1189072416 has 72 divisors (see below), whose sum is σ = 3630931920. Its totient is φ = 339733632.

The previous prime is 1189072387. The next prime is 1189072453. The reversal of 1189072416 is 6142709811.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121686 + ... + 131093.

It is an arithmetic number, because the mean of its divisors is an integer number (50429610).

Almost surely, 2^1189072416 is an apocalyptic number.

1189072416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1189072416 is an abundant number, since it is smaller than the sum of its proper divisors (2441859504).

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

1189072416 is a wasteful number, since it uses less digits than its factorization.

1189072416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252806 (or 252791 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1189072416 is about 34482.9293419222. The cubic root of 1189072416 is about 1059.4230917926.

The spelling of 1189072416 in words is "one billion, one hundred eighty-nine million, seventy-two thousand, four hundred sixteen".