123042076 has 6 divisors (see below), whose sum is σ = 215323640. Its totient is φ = 61521036.

The previous prime is 123042071. The next prime is 123042109. The reversal of 123042076 is 670240321.

It is a self number, because there is not a number n which added to its sum of digits gives 123042076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123042071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15380256 + ... + 15380263.

Almost surely, 2^123042076 is an apocalyptic number.

It is an amenable number.

123042076 is a deficient number, since it is larger than the sum of its proper divisors (92281564).

123042076 is a wasteful number, since it uses less digits than its factorization.

123042076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30760523 (or 30760521 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 123042076 is about 11092.4332767883. The cubic root of 123042076 is about 497.3756847034.

Adding to 123042076 its reverse (670240321), we get a palindrome (793282397).

The spelling of 123042076 in words is "one hundred twenty-three million, forty-two thousand, seventy-six".