109070997 has 16 divisors (see below), whose sum is σ = 175980672. Its totient is φ = 58659840.

The previous prime is 109070987. The next prime is 109071019. The reversal of 109070997 is 799070901.

It is not a de Polignac number, because 109070997 - 2⁶ = 109070933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109070917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152404 + ... + 153117.

It is an arithmetic number, because the mean of its divisors is an integer number (10998792).

Almost surely, 2^109070997 is an apocalyptic number.

109070997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

109070997 is a deficient number, since it is larger than the sum of its proper divisors (66909675).

109070997 is a wasteful number, since it uses less digits than its factorization.

109070997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305548.

The product of its (nonzero) digits is 35721, while the sum is 42.

The square root of 109070997 is about 10443.7060950603. The cubic root of 109070997 is about 477.7893088838.

The spelling of 109070997 in words is "one hundred nine million, seventy thousand, nine hundred ninety-seven".