104972287 has 4 divisors (see below), whose sum is σ = 119968336. Its totient is φ = 89976240.

The previous prime is 104972281. The next prime is 104972303. The reversal of 104972287 is 782279401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782279401 = 251 ⋅3116651.

It is a cyclic number.

It is not a de Polignac number, because 104972287 - 2¹⁵ = 104939519 is a prime.

It is a super-2 number, since 2×104972287² = 22038362076020738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104972281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7498014 + ... + 7498027.

It is an arithmetic number, because the mean of its divisors is an integer number (29992084).

Almost surely, 2^104972287 is an apocalyptic number.

104972287 is a deficient number, since it is larger than the sum of its proper divisors (14996049).

104972287 is an equidigital number, since it uses as much as digits as its factorization.

104972287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14996048.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 104972287 is about 10245.5984207854. The cubic root of 104972287 is about 471.7278891563.

The spelling of 104972287 in words is "one hundred four million, nine hundred seventy-two thousand, two hundred eighty-seven".