123077012 has 12 divisors (see below), whose sum is σ = 215477556. Its totient is φ = 61512000.

The previous prime is 123076997. The next prime is 123077021. The reversal of 123077012 is 210770321.

It can be written as a sum of positive squares in 2 ways, for example, as 37773316 + 85303696 = 6146^2 + 9236^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6878 + ... + 17130.

It is an arithmetic number, because the mean of its divisors is an integer number (17956463).

Almost surely, 2^123077012 is an apocalyptic number.

It is an amenable number.

123077012 is a deficient number, since it is larger than the sum of its proper divisors (92400544).

123077012 is a wasteful number, since it uses less digits than its factorization.

123077012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258 (or 13256 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 123077012 is about 11094.0079322128. The cubic root of 123077012 is about 497.4227544354.

The spelling of 123077012 in words is "one hundred twenty-three million, seventy-seven thousand, twelve".