104592781 has 4 divisors (see below), whose sum is σ = 106365600. Its totient is φ = 102819964.

The previous prime is 104592779. The next prime is 104592793. The reversal of 104592781 is 187295401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 187295401 = 43 ⋅4355707.

It is a cyclic number.

It is not a de Polignac number, because 104592781 - 2¹ = 104592779 is a prime.

It is a super-2 number, since 2×104592781² = 21879299674627922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104592781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104592181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886321 + ... + 886438.

It is an arithmetic number, because the mean of its divisors is an integer number (26591400).

Almost surely, 2^104592781 is an apocalyptic number.

It is an amenable number.

104592781 is a deficient number, since it is larger than the sum of its proper divisors (1772819).

104592781 is an equidigital number, since it uses as much as digits as its factorization.

104592781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772818.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 104592781 is about 10227.0612103380. The cubic root of 104592781 is about 471.1587238877.

The spelling of 104592781 in words is "one hundred four million, five hundred ninety-two thousand, seven hundred eighty-one".