101020195 has 8 divisors (see below), whose sum is σ = 125404560. Its totient is φ = 78029280.

The previous prime is 101020189. The next prime is 101020217. The reversal of 101020195 is 591020101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-101020195 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348201 + ... + 348490.

It is an arithmetic number, because the mean of its divisors is an integer number (15675570).

Almost surely, 2^101020195 is an apocalyptic number.

101020195 is a deficient number, since it is larger than the sum of its proper divisors (24384365).

101020195 is an equidigital number, since it uses as much as digits as its factorization.

101020195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696725.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 101020195 is about 10050.8803097042. The cubic root of 101020195 is about 465.7319877571.

Adding to 101020195 its reverse (591020101), we get a palindrome (692040296).

The spelling of 101020195 in words is "one hundred one million, twenty thousand, one hundred ninety-five".