104100291 has 12 divisors (see below), whose sum is σ = 153864568. Its totient is φ = 67785984.

The previous prime is 104100287. The next prime is 104100301. The reversal of 104100291 is 192001401.

It is not a de Polignac number, because 104100291 - 2² = 104100287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104100211) 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 in 11 ways as a sum of consecutive naturals, for example, 134110 + ... + 134883.

Almost surely, 2^104100291 is an apocalyptic number.

104100291 is a deficient number, since it is larger than the sum of its proper divisors (49764277).

104100291 is a wasteful number, since it uses less digits than its factorization.

104100291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269042 (or 269039 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 104100291 is about 10202.9550131322. The cubic root of 104100291 is about 470.4180541757.

Adding to 104100291 its reverse (192001401), we get a palindrome (296101692).

The spelling of 104100291 in words is "one hundred four million, one hundred thousand, two hundred ninety-one".