104121705637 has 4 divisors (see below), whose sum is σ = 104286716896. Its totient is φ = 103956694380.

The previous prime is 104121705631. The next prime is 104121705697. The reversal of 104121705637 is 736507121401.

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: 736507121401 = 67 ⋅10992643603.

It is a cyclic number.

It is not a de Polignac number, because 104121705637 - 2¹⁹ = 104121181349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104121705596 and 104121705605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104121705631) 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, 82504683 + ... + 82505944.

It is an arithmetic number, because the mean of its divisors is an integer number (26071679224).

Almost surely, 2^104121705637 is an apocalyptic number.

It is an amenable number.

104121705637 is a deficient number, since it is larger than the sum of its proper divisors (165011259).

104121705637 is an equidigital number, since it uses as much as digits as its factorization.

104121705637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165011258.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 104121705637 in words is "one hundred four billion, one hundred twenty-one million, seven hundred five thousand, six hundred thirty-seven".