123870116 has 24 divisors (see below), whose sum is σ = 221470200. Its totient is φ = 60599552.

The previous prime is 123870059. The next prime is 123870127. The reversal of 123870116 is 611078321.

It can be written as a sum of positive squares in 4 ways, for example, as 28729600 + 95140516 = 5360^2 + 9754^2 .

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, 117560 + ... + 118608.

It is an arithmetic number, because the mean of its divisors is an integer number (9227925).

Almost surely, 2^123870116 is an apocalyptic number.

It is an amenable number.

123870116 is a deficient number, since it is larger than the sum of its proper divisors (97600084).

123870116 is a wasteful number, since it uses less digits than its factorization.

123870116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 123870116 is about 11129.6952339226. The cubic root of 123870116 is about 498.4889259106.

The spelling of 123870116 in words is "one hundred twenty-three million, eight hundred seventy thousand, one hundred sixteen".