195969105 has 16 divisors (see below), whose sum is σ = 348389760. Its totient is φ = 104516784.

The previous prime is 195969079. The next prime is 195969107. The reversal of 195969105 is 501969591.

It is a happy number.

It is not a de Polignac number, because 195969105 - 2⁷ = 195968977 is a prime.

It is a super-2 number, since 2×195969105² = 76807780229002050, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (195969107) 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, 725677 + ... + 725946.

It is an arithmetic number, because the mean of its divisors is an integer number (21774360).

Almost surely, 2^195969105 is an apocalyptic number.

195969105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195969105 is a deficient number, since it is larger than the sum of its proper divisors (152420655).

195969105 is a wasteful number, since it uses less digits than its factorization.

195969105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451637 (or 1451631 counting only the distinct ones).

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

The square root of 195969105 is about 13998.8965636582. The cubic root of 195969105 is about 580.8480509303.

The spelling of 195969105 in words is "one hundred ninety-five million, nine hundred sixty-nine thousand, one hundred five".