109270997 has 4 divisors (see below), whose sum is σ = 119204736. Its totient is φ = 99337260.

The previous prime is 109270969. The next prime is 109271017. The reversal of 109270997 is 799072901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799072901 = 11 ⋅72642991.

It is not a de Polignac number, because 109270997 - 2⁶ = 109270933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109270297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4966853 + ... + 4966874.

It is an arithmetic number, because the mean of its divisors is an integer number (29801184).

Almost surely, 2^109270997 is an apocalyptic number.

It is an amenable number.

109270997 is a deficient number, since it is larger than the sum of its proper divisors (9933739).

109270997 is an equidigital number, since it uses as much as digits as its factorization.

109270997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9933738.

The product of its (nonzero) digits is 71442, while the sum is 44.

The square root of 109270997 is about 10453.2768546518. The cubic root of 109270997 is about 478.0811662266.

The spelling of 109270997 in words is "one hundred nine million, two hundred seventy thousand, nine hundred ninety-seven".