104120664757 has 4 divisors (see below), whose sum is σ = 104361128620. Its totient is φ = 103880200896.

The previous prime is 104120664749. The next prime is 104120664859. The reversal of 104120664757 is 757466021401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 757466021401 = 1103 ⋅686732567.

It can be written as a sum of positive squares in 2 ways, for example, as 60873719076 + 43246945681 = 246726^2 + 207959^2 .

It is a cyclic number.

It is not a de Polignac number, because 104120664757 - 2³ = 104120664749 is a prime.

It is a super-2 number, since 2×104120664757² (a number of 23 digits) 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 (104120664737) 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, 120231282 + ... + 120232147.

It is an arithmetic number, because the mean of its divisors is an integer number (26090282155).

Almost surely, 2^104120664757 is an apocalyptic number.

It is an amenable number.

104120664757 is a deficient number, since it is larger than the sum of its proper divisors (240463863).

104120664757 is an equidigital number, since it uses as much as digits as its factorization.

104120664757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240463862.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 104120664757 in words is "one hundred four billion, one hundred twenty million, six hundred sixty-four thousand, seven hundred fifty-seven".