107491 has 4 divisors (see below), whose sum is σ = 113832. Its totient is φ = 101152.

The previous prime is 107473. The next prime is 107507. The reversal of 107491 is 194701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 107491 - 2⁹ = 106979 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

107491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (107441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3145 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (28458).

2¹⁰⁷⁴⁹¹ is an apocalyptic number.

107491 is a deficient number, since it is larger than the sum of its proper divisors (6341).

107491 is an equidigital number, since it uses as much as digits as its factorization.

107491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6340.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 107491 is about 327.8582010565. The cubic root of 107491 is about 47.5471000954.

The spelling of 107491 in words is "one hundred seven thousand, four hundred ninety-one".