109970805 has 16 divisors (see below), whose sum is σ = 201089664. Its totient is φ = 50272320.

The previous prime is 109970801. The next prime is 109970837. The reversal of 109970805 is 508079901.

It is a happy number.

It is not a de Polignac number, because 109970805 - 2² = 109970801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109970801) 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 15 ways as a sum of consecutive naturals, for example, 523566 + ... + 523775.

It is an arithmetic number, because the mean of its divisors is an integer number (12568104).

Almost surely, 2^109970805 is an apocalyptic number.

109970805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109970805 is a deficient number, since it is larger than the sum of its proper divisors (91118859).

109970805 is a wasteful number, since it uses less digits than its factorization.

109970805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047356.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 109970805 is about 10486.6965723244. The cubic root of 109970805 is about 479.0995924093.

The spelling of 109970805 in words is "one hundred nine million, nine hundred seventy thousand, eight hundred five".