109747049 has 4 divisors (see below), whose sum is σ = 113531460. Its totient is φ = 105962640.

The previous prime is 109747039. The next prime is 109747063. The reversal of 109747049 is 940747901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940747901 = 137 ⋅6866773.

It can be written as a sum of positive squares in 2 ways, for example, as 89208025 + 20539024 = 9445^2 + 4532^2 .

It is a cyclic number.

It is not a de Polignac number, because 109747049 - 2¹⁶ = 109681513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109746997 and 109747015.

It is not an unprimeable number, because it can be changed into a prime (109747039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892162 + ... + 1892219.

It is an arithmetic number, because the mean of its divisors is an integer number (28382865).

Almost surely, 2^109747049 is an apocalyptic number.

It is an amenable number.

109747049 is a deficient number, since it is larger than the sum of its proper divisors (3784411).

109747049 is an equidigital number, since it uses as much as digits as its factorization.

109747049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784410.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 109747049 is about 10476.0225753861. The cubic root of 109747049 is about 478.7744327824.

The spelling of 109747049 in words is "one hundred nine million, seven hundred forty-seven thousand, forty-nine".