123166977 has 16 divisors (see below), whose sum is σ = 165765120. Its totient is φ = 81344592.

The previous prime is 123166957. The next prime is 123167027. The reversal of 123166977 is 779661321.

It is not a de Polignac number, because 123166977 - 2¹⁶ = 123101441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123166907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202608 + ... + 203214.

It is an arithmetic number, because the mean of its divisors is an integer number (10360320).

Almost surely, 2^123166977 is an apocalyptic number.

It is an amenable number.

123166977 is a deficient number, since it is larger than the sum of its proper divisors (42598143).

123166977 is a wasteful number, since it uses less digits than its factorization.

123166977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132.

The product of its digits is 95256, while the sum is 42.

The square root of 123166977 is about 11098.0618578200. The cubic root of 123166977 is about 497.5439244738.

The spelling of 123166977 in words is "one hundred twenty-three million, one hundred sixty-six thousand, nine hundred seventy-seven".