109824805 has 8 divisors (see below), whose sum is σ = 131995512. Its totient is φ = 87722688.

The previous prime is 109824787. The next prime is 109824823. The reversal of 109824805 is 508428901.

It is an interprime number because it is at equal distance from previous prime (109824787) and next prime (109824823).

It can be written as a sum of positive squares in 4 ways, for example, as 643204 + 109181601 = 802^2 + 10449^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 109824805 - 2⁹ = 109824293 is a prime.

It is a super-2 number, since 2×109824805² = 24122975586576050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13554 + ... + 20083.

It is an arithmetic number, because the mean of its divisors is an integer number (16499439).

Almost surely, 2^109824805 is an apocalyptic number.

It is an amenable number.

109824805 is a deficient number, since it is larger than the sum of its proper divisors (22170707).

109824805 is an equidigital number, since it uses as much as digits as its factorization.

109824805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34295.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 109824805 is about 10479.7330595774. The cubic root of 109824805 is about 478.8874769649.

It can be divided in two parts, 1098 and 24805, that multiplied together give a triangular number (27235890 = T₇₃₈₀).

The spelling of 109824805 in words is "one hundred nine million, eight hundred twenty-four thousand, eight hundred five".