109478243 has 8 divisors (see below), whose sum is σ = 126357600. Its totient is φ = 92908800.

The previous prime is 109478233. The next prime is 109478261. The reversal of 109478243 is 342874901.

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 109478243 - 2⁶ = 109478179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109478197 and 109478206.

It is not an unprimeable number, because it can be changed into a prime (109478233) 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, 76718 + ... + 78131.

It is an arithmetic number, because the mean of its divisors is an integer number (15794700).

Almost surely, 2^109478243 is an apocalyptic number.

109478243 is a deficient number, since it is larger than the sum of its proper divisors (16879357).

109478243 is a wasteful number, since it uses less digits than its factorization.

109478243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154957.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 109478243 is about 10463.1851269104. The cubic root of 109478243 is about 478.3832220895.

The spelling of 109478243 in words is "one hundred nine million, four hundred seventy-eight thousand, two hundred forty-three".