109455047 has 6 divisors (see below), whose sum is σ = 118522512. Its totient is φ = 101035272.

The previous prime is 109455011. The next prime is 109455083. The reversal of 109455047 is 740554901.

It is an interprime number because it is at equal distance from previous prime (109455011) and next prime (109455083).

It is not a de Polignac number, because 109455047 - 2¹⁸ = 109192903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109454998 and 109455016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109451047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 323663 + ... + 324000.

It is an arithmetic number, because the mean of its divisors is an integer number (19753752).

Almost surely, 2^109455047 is an apocalyptic number.

109455047 is a deficient number, since it is larger than the sum of its proper divisors (9067465).

109455047 is an equidigital number, since it uses as much as digits as its factorization.

109455047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647689 (or 647676 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 109455047 is about 10462.0766103102. The cubic root of 109455047 is about 478.3494334550.

The spelling of 109455047 in words is "one hundred nine million, four hundred fifty-five thousand, forty-seven".