195012107 has 4 divisors (see below), whose sum is σ = 195049296. Its totient is φ = 194974920.

The previous prime is 195012091. The next prime is 195012109. The reversal of 195012107 is 701210591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195012107 - 2⁴ = 195012091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195012109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9119 + ... + 21752.

It is an arithmetic number, because the mean of its divisors is an integer number (48762324).

Almost surely, 2^195012107 is an apocalyptic number.

195012107 is a deficient number, since it is larger than the sum of its proper divisors (37189).

195012107 is an equidigital number, since it uses as much as digits as its factorization.

195012107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37188.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 195012107 is about 13964.6735371794. The cubic root of 195012107 is about 579.9010007407.

Adding to 195012107 its reverse (701210591), we get a palindrome (896222698).

The spelling of 195012107 in words is "one hundred ninety-five million, twelve thousand, one hundred seven".