123785875 has 8 divisors (see below), whose sum is σ = 154484928. Its totient is φ = 99028600.

The previous prime is 123785861. The next prime is 123785887. The reversal of 123785875 is 578587321.

It is not a de Polignac number, because 123785875 - 2⁵ = 123785843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495019 + ... + 495268.

It is an arithmetic number, because the mean of its divisors is an integer number (19310616).

Almost surely, 2^123785875 is an apocalyptic number.

123785875 is a deficient number, since it is larger than the sum of its proper divisors (30699053).

123785875 is an frugal number, since it uses more digits than its factorization.

123785875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990302 (or 990292 counting only the distinct ones).

The product of its digits is 470400, while the sum is 46.

The square root of 123785875 is about 11125.9100751354. The cubic root of 123785875 is about 498.3758969572.

The spelling of 123785875 in words is "one hundred twenty-three million, seven hundred eighty-five thousand, eight hundred seventy-five".