109980195 has 24 divisors (see below), whose sum is σ = 189757008. Its totient is φ = 54072000.

The previous prime is 109980193. The next prime is 109980217. The reversal of 109980195 is 591089901.

It is not a de Polignac number, because 109980195 - 2¹ = 109980193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109980193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146070 + ... + 146820.

It is an arithmetic number, because the mean of its divisors is an integer number (7906542).

Almost surely, 2^109980195 is an apocalyptic number.

109980195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109980195 is a deficient number, since it is larger than the sum of its proper divisors (79776813).

109980195 is an frugal number, since it uses more digits than its factorization.

109980195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 42.

The square root of 109980195 is about 10487.1442728705. The cubic root of 109980195 is about 479.1132282015.

The spelling of 109980195 in words is "one hundred nine million, nine hundred eighty thousand, one hundred ninety-five".