109201193 has 8 divisors (see below), whose sum is σ = 110720712. Its totient is φ = 107692416.

The previous prime is 109201181. The next prime is 109201199. The reversal of 109201193 is 391102901.

It can be written as a sum of positive squares in 4 ways, for example, as 38775529 + 70425664 = 6227^2 + 8392^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109201193 - 2⁶ = 109201129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109201199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18971 + ... + 24047.

It is an arithmetic number, because the mean of its divisors is an integer number (13840089).

Almost surely, 2^109201193 is an apocalyptic number.

It is an amenable number.

109201193 is a deficient number, since it is larger than the sum of its proper divisors (1519519).

109201193 is a wasteful number, since it uses less digits than its factorization.

109201193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 109201193 is about 10449.9374639277. The cubic root of 109201193 is about 477.9793426645.

The spelling of 109201193 in words is "one hundred nine million, two hundred one thousand, one hundred ninety-three".