104242682123761 has 4 divisors (see below), whose sum is σ = 104242743769572. Its totient is φ = 104242620477952.

The previous prime is 104242682123747. The next prime is 104242682123771. The reversal of 104242682123761 is 167321286242401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45929680796736 + 58313001327025 = 6777144^2 + 7636295^2 .

It is a cyclic number.

It is not a de Polignac number, because 104242682123761 - 2¹⁷ = 104242681992689 is a prime.

It is a super-2 number, since 2×104242682123761² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104242682123731) 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, 28212736 + ... + 31692961.

It is an arithmetic number, because the mean of its divisors is an integer number (26060685942393).

Almost surely, 2^{104242682123761} is an apocalyptic number.

It is an amenable number.

104242682123761 is a deficient number, since it is larger than the sum of its proper divisors (61645811).

104242682123761 is an equidigital number, since it uses as much as digits as its factorization.

104242682123761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61645810.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 104242682123761 in words is "one hundred four trillion, two hundred forty-two billion, six hundred eighty-two million, one hundred twenty-three thousand, seven hundred sixty-one".