1109919874 has 40 divisors (see below), whose sum is σ = 1954504188. Its totient is φ = 472681440.

The previous prime is 1109919869. The next prime is 1109919893. The reversal of 1109919874 is 4789199011.

It can be written as a sum of positive squares in 2 ways, for example, as 1036389249 + 73530625 = 32193^2 + 8575^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 868524 + ... + 869800.

Almost surely, 2^1109919874 is an apocalyptic number.

1109919874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1109919874 is a deficient number, since it is larger than the sum of its proper divisors (844584314).

1109919874 is an equidigital number, since it uses as much as digits as its factorization.

1109919874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 49.

The square root of 1109919874 is about 33315.4599848179. The cubic root of 1109919874 is about 1035.3738912259.

The spelling of 1109919874 in words is "one billion, one hundred nine million, nine hundred nineteen thousand, eight hundred seventy-four".