108028291 has 6 divisors (see below), whose sum is σ = 125665620. Its totient is φ = 92595636.

The previous prime is 108028279. The next prime is 108028301. The reversal of 108028291 is 192820801.

It is a happy number.

It is not a de Polignac number, because 108028291 - 2⁹ = 108027779 is a prime.

It is a super-2 number, since 2×108028291² = 23340223312761362, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (108028201) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1102281 + ... + 1102378.

It is an arithmetic number, because the mean of its divisors is an integer number (20944270).

Almost surely, 2^108028291 is an apocalyptic number.

108028291 is a deficient number, since it is larger than the sum of its proper divisors (17637329).

108028291 is an equidigital number, since it uses as much as digits as its factorization.

108028291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204673 (or 2204666 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 108028291 is about 10393.6659076574. The cubic root of 108028291 is about 476.2618945186.

The spelling of 108028291 in words is "one hundred eight million, twenty-eight thousand, two hundred ninety-one".