104101191 has 12 divisors (see below), whose sum is σ = 150956832. Its totient is φ = 69129216.

The previous prime is 104101187. The next prime is 104101201. The reversal of 104101191 is 191101401.

It is not a de Polignac number, because 104101191 - 2² = 104101187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104101121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20191 + ... + 24816.

It is an arithmetic number, because the mean of its divisors is an integer number (12579736).

Almost surely, 2^104101191 is an apocalyptic number.

104101191 is a deficient number, since it is larger than the sum of its proper divisors (46855641).

104101191 is a wasteful number, since it uses less digits than its factorization.

104101191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45270 (or 45267 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 104101191 is about 10202.9991179065. Note that the first 3 decimals coincide. The cubic root of 104101191 is about 470.4194098396.

Adding to 104101191 its sum of digits (18), we get a square (104101209 = 10203²).

Adding to 104101191 its reverse (191101401), we get a palindrome (295202592).

The spelling of 104101191 in words is "one hundred four million, one hundred one thousand, one hundred ninety-one".