123116877 has 12 divisors (see below), whose sum is σ = 191515324. Its totient is φ = 75764160.

The previous prime is 123116867. The next prime is 123116899. The reversal of 123116877 is 778611321.

It can be written as a sum of positive squares in 2 ways, for example, as 72692676 + 50424201 = 8526^2 + 7101^2 .

It is not a de Polignac number, because 123116877 - 2¹⁴ = 123100493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123116837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526024 + ... + 526257.

Almost surely, 2^123116877 is an apocalyptic number.

It is an amenable number.

123116877 is a deficient number, since it is larger than the sum of its proper divisors (68398447).

123116877 is a wasteful number, since it uses less digits than its factorization.

123116877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052300 (or 1052297 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 123116877 is about 11095.8044773689. The cubic root of 123116877 is about 497.4764541940.

The spelling of 123116877 in words is "one hundred twenty-three million, one hundred sixteen thousand, eight hundred seventy-seven".