109057197 has 16 divisors (see below), whose sum is σ = 151986240. Its totient is φ = 69468672.

The previous prime is 109057181. The next prime is 109057211. The reversal of 109057197 is 791750901.

It is not a de Polignac number, because 109057197 - 2⁴ = 109057181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109057127) 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, 1978 + ... + 14900.

It is an arithmetic number, because the mean of its divisors is an integer number (9499140).

Almost surely, 2^109057197 is an apocalyptic number.

It is an amenable number.

109057197 is a deficient number, since it is larger than the sum of its proper divisors (42929043).

109057197 is a wasteful number, since it uses less digits than its factorization.

109057197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13052.

The product of its (nonzero) digits is 19845, while the sum is 39.

The square root of 109057197 is about 10443.0453891573. The cubic root of 109057197 is about 477.7691575734.

The spelling of 109057197 in words is "one hundred nine million, fifty-seven thousand, one hundred ninety-seven".