123771104105 has 8 divisors (see below), whose sum is σ = 162027627264. Its totient is φ = 90015348400.

The previous prime is 123771104089. The next prime is 123771104113. The reversal of 123771104105 is 501401177321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123771104105 - 2⁴ = 123771104089 is a prime.

It is a super-2 number, since 2×123771104105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1125191801 + ... + 1125191910.

It is an arithmetic number, because the mean of its divisors is an integer number (20253453408).

Almost surely, 2^123771104105 is an apocalyptic number.

It is an amenable number.

123771104105 is a deficient number, since it is larger than the sum of its proper divisors (38256523159).

123771104105 is a wasteful number, since it uses less digits than its factorization.

123771104105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250383727.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 123771104105 in words is "one hundred twenty-three billion, seven hundred seventy-one million, one hundred four thousand, one hundred five".