109245047 has 2 divisors, whose sum is σ = 109245048. Its totient is φ = 109245046.

The previous prime is 109245007. The next prime is 109245067. The reversal of 109245047 is 740542901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109245047 - 2¹² = 109240951 is a prime.

It is a Chen prime.

It is equal to p_6262439 and since 109245047 and 6262439 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109245007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54622523 + 54622524.

It is an arithmetic number, because the mean of its divisors is an integer number (54622524).

Almost surely, 2^109245047 is an apocalyptic number.

109245047 is a deficient number, since it is larger than the sum of its proper divisors (1).

109245047 is an equidigital number, since it uses as much as digits as its factorization.

109245047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 109245047 is about 10452.0355433762. The cubic root of 109245047 is about 478.0433178532.

Adding to 109245047 its reverse (740542901), we get a palindrome (849787948).

The spelling of 109245047 in words is "one hundred nine million, two hundred forty-five thousand, forty-seven".