10187291 has 4 divisors (see below), whose sum is σ = 10235784. Its totient is φ = 10138800.

The previous prime is 10187269. The next prime is 10187327. The reversal of 10187291 is 19278101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19278101 = 2647 ⋅7283.

It is a cyclic number.

It is not a de Polignac number, because 10187291 - 2¹⁸ = 9925147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10187491) 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 3 ways as a sum of consecutive naturals, for example, 23930 + ... + 24351.

It is an arithmetic number, because the mean of its divisors is an integer number (2558946).

Almost surely, 2^10187291 is an apocalyptic number.

10187291 is a deficient number, since it is larger than the sum of its proper divisors (48493).

10187291 is an equidigital number, since it uses as much as digits as its factorization.

10187291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48492.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 10187291 is about 3191.7535932462. The cubic root of 10187291 is about 216.7801790474.

The spelling of 10187291 in words is "ten million, one hundred eighty-seven thousand, two hundred ninety-one".