123278246 has 32 divisors (see below), whose sum is σ = 235448640. Its totient is φ = 47085696.

The previous prime is 123278219. The next prime is 123278249. The reversal of 123278246 is 642872321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123278249) 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, 6401 + ... + 16956.

It is an arithmetic number, because the mean of its divisors is an integer number (7357770).

Almost surely, 2^123278246 is an apocalyptic number.

123278246 is a deficient number, since it is larger than the sum of its proper divisors (112170394).

123278246 is a wasteful number, since it uses less digits than its factorization.

123278246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23408.

The product of its digits is 32256, while the sum is 35.

The square root of 123278246 is about 11103.0737185700. The cubic root of 123278246 is about 497.6937063756.

The spelling of 123278246 in words is "one hundred twenty-three million, two hundred seventy-eight thousand, two hundred forty-six".