123416777125 has 16 divisors (see below), whose sum is σ = 157301254656. Its totient is φ = 96632706000.

The previous prime is 123416777069. The next prime is 123416777221. The reversal of 123416777125 is 521777614321.

It is not a de Polignac number, because 123416777125 - 2¹³ = 123416768933 is a prime.

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 10497681 + ... + 10509430.

It is an arithmetic number, because the mean of its divisors is an integer number (9831328416).

Almost surely, 2^123416777125 is an apocalyptic number.

It is an amenable number.

123416777125 is a deficient number, since it is larger than the sum of its proper divisors (33884477531).

123416777125 is an equidigital number, since it uses as much as digits as its factorization.

123416777125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21007173 (or 21007163 counting only the distinct ones).

The product of its digits is 493920, while the sum is 46.

The spelling of 123416777125 in words is "one hundred twenty-three billion, four hundred sixteen million, seven hundred seventy-seven thousand, one hundred twenty-five".