1188071448 has 32 divisors (see below), whose sum is σ = 2971287360. Its totient is φ = 395876000.

The previous prime is 1188071447. The next prime is 1188071453. The reversal of 1188071448 is 8441708811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188071447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70411 + ... + 85637.

It is an arithmetic number, because the mean of its divisors is an integer number (92852730).

Almost surely, 2^1188071448 is an apocalyptic number.

It is an amenable number.

1188071448 is an abundant number, since it is smaller than the sum of its proper divisors (1783215912).

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

1188071448 is a wasteful number, since it uses less digits than its factorization.

1188071448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18487 (or 18483 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 42.

The square root of 1188071448 is about 34468.4123220087. The cubic root of 1188071448 is about 1059.1257321863.

The spelling of 1188071448 in words is "one billion, one hundred eighty-eight million, seventy-one thousand, four hundred forty-eight".