109956195 has 24 divisors (see below), whose sum is σ = 191426976. Its totient is φ = 58386048.

The previous prime is 109956157. The next prime is 109956199. The reversal of 109956195 is 591659901.

It is a happy number.

It is a Cunningham number, because it is equal to 10486²-1.

It is not a de Polignac number, because 109956195 - 2⁶ = 109956131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 109956195.

It is not an unprimeable number, because it can be changed into a prime (109956199) 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, 5242 + ... + 15728.

It is an arithmetic number, because the mean of its divisors is an integer number (7976124).

Almost surely, 2^109956195 is an apocalyptic number.

109956195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109956195 is a deficient number, since it is larger than the sum of its proper divisors (81470781).

109956195 is a wasteful number, since it uses less digits than its factorization.

109956195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10731 (or 10728 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 45.

The square root of 109956195 is about 10485.9999523174. Note that the first 4 decimals coincide. The cubic root of 109956195 is about 479.0783747929.

The spelling of 109956195 in words is "one hundred nine million, nine hundred fifty-six thousand, one hundred ninety-five".