801231195 has 16 divisors (see below), whose sum is σ = 1287724032. Its totient is φ = 425405280.

The previous prime is 801231191. The next prime is 801231203. The reversal of 801231195 is 591132108.

It is not a de Polignac number, because 801231195 - 2² = 801231191 is a prime.

It is a super-2 number, since 2×801231195² = 1283942855682256050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (801231191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116421 + ... + 123110.

It is an arithmetic number, because the mean of its divisors is an integer number (80482752).

Almost surely, 2^801231195 is an apocalyptic number.

801231195 is a deficient number, since it is larger than the sum of its proper divisors (486492837).

801231195 is a wasteful number, since it uses less digits than its factorization.

801231195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239762.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 801231195 is about 28306.0275383177. The cubic root of 801231195 is about 928.7937477091.

It can be divided in two parts, 80123 and 1195, that added together give a palindrome (81318).

The spelling of 801231195 in words is "eight hundred one million, two hundred thirty-one thousand, one hundred ninety-five".