1109712919 has 8 divisors (see below), whose sum is σ = 1278230528. Its totient is φ = 943692120.

The previous prime is 1109712907. The next prime is 1109712937. The reversal of 1109712919 is 9192179011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1109712919 - 2¹³ = 1109704727 is a prime.

It is a super-2 number, since 2×1109712919² = 2462925525191001122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109712959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623247 + ... + 625024.

It is an arithmetic number, because the mean of its divisors is an integer number (159778816).

Almost surely, 2^1109712919 is an apocalyptic number.

1109712919 is a deficient number, since it is larger than the sum of its proper divisors (168517609).

1109712919 is a wasteful number, since it uses less digits than its factorization.

1109712919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248405.

The product of its (nonzero) digits is 10206, while the sum is 40.

The square root of 1109712919 is about 33312.3538495856. The cubic root of 1109712919 is about 1035.3095354924.

The spelling of 1109712919 in words is "one billion, one hundred nine million, seven hundred twelve thousand, nine hundred nineteen".