195101087 has 2 divisors, whose sum is σ = 195101088. Its totient is φ = 195101086.

The previous prime is 195101033. The next prime is 195101107. The reversal of 195101087 is 780101591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195101087 - 2⁸ = 195100831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195101017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97550543 + 97550544.

It is an arithmetic number, because the mean of its divisors is an integer number (97550544).

Almost surely, 2^195101087 is an apocalyptic number.

195101087 is a deficient number, since it is larger than the sum of its proper divisors (1).

195101087 is an equidigital number, since it uses as much as digits as its factorization.

195101087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 32.

The square root of 195101087 is about 13967.8590700221. The cubic root of 195101087 is about 579.9891862827.

The spelling of 195101087 in words is "one hundred ninety-five million, one hundred one thousand, eighty-seven".