123076 has 12 divisors (see below), whose sum is σ = 223020. Its totient is φ = 59360.

The previous prime is 123059. The next prime is 123077. The reversal of 123076 is 670321.

It can be written as a sum of positive squares in 2 ways, for example, as 72900 + 50176 = 270^2 + 224^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (123077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415 + ... + 646.

It is an arithmetic number, because the mean of its divisors is an integer number (18585).

2¹²³⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

123076 is a deficient number, since it is larger than the sum of its proper divisors (99944).

123076 is a wasteful number, since it uses less digits than its factorization.

123076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 123076 is about 350.8218921333. The cubic root of 123076 is about 49.7421391080.

Adding to 123076 its reverse (670321), we get a palindrome (793397).

The spelling of 123076 in words is "one hundred twenty-three thousand, seventy-six".