109194899 has 16 divisors (see below), whose sum is σ = 121754880. Its totient is φ = 97092000.

The previous prime is 109194887. The next prime is 109194907. The reversal of 109194899 is 998491901.

It is a cyclic number.

It is not a de Polignac number, because 109194899 - 2²⁰ = 108146323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109194199) 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, 201569 + ... + 202109.

It is an arithmetic number, because the mean of its divisors is an integer number (7609680).

Almost surely, 2^109194899 is an apocalyptic number.

109194899 is a deficient number, since it is larger than the sum of its proper divisors (12559981).

109194899 is a wasteful number, since it uses less digits than its factorization.

109194899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 209952, while the sum is 50.

The square root of 109194899 is about 10449.6363094607. The cubic root of 109194899 is about 477.9701594322.

The spelling of 109194899 in words is "one hundred nine million, one hundred ninety-four thousand, eight hundred ninety-nine".