1139871120 has 40 divisors (see below), whose sum is σ = 3533601216. Its totient is φ = 303965568.

The previous prime is 1139871113. The next prime is 1139871143. The reversal of 1139871120 is 211789311.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374492 + ... + 2374971.

Almost surely, 2^1139871120 is an apocalyptic number.

1139871120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1139871120 is an abundant number, since it is smaller than the sum of its proper divisors (2393730096).

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

1139871120 is a wasteful number, since it uses less digits than its factorization.

1139871120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749479 (or 4749473 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 1139871120 is about 33761.9774302395. The cubic root of 1139871120 is about 1044.6045587571.

The spelling of 1139871120 in words is "one billion, one hundred thirty-nine million, eight hundred seventy-one thousand, one hundred twenty".