1109870964 has 48 divisors (see below), whose sum is σ = 2879284800. Its totient is φ = 369720288.

The previous prime is 1109870963. The next prime is 1109870969. The reversal of 1109870964 is 4690789011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109870963) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 274147 + ... + 278165.

It is an arithmetic number, because the mean of its divisors is an integer number (59985100).

Almost surely, 2^1109870964 is an apocalyptic number.

It is an amenable number.

1109870964 is an abundant number, since it is smaller than the sum of its proper divisors (1769413836).

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

1109870964 is a wasteful number, since it uses less digits than its factorization.

1109870964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6589 (or 6581 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1109870964 is about 33314.7259331365. The cubic root of 1109870964 is about 1035.3586826563.

The spelling of 1109870964 in words is "one billion, one hundred nine million, eight hundred seventy thousand, nine hundred sixty-four".