123648726 has 8 divisors (see below), whose sum is σ = 247297464. Its totient is φ = 41216240.

The previous prime is 123648683. The next prime is 123648727. The reversal of 123648726 is 627846321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

123648726 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123648727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10304055 + ... + 10304066.

It is an arithmetic number, because the mean of its divisors is an integer number (30912183).

Almost surely, 2^123648726 is an apocalyptic number.

123648726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123648726 is a wasteful number, since it uses less digits than its factorization.

123648726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20608126.

The product of its digits is 96768, while the sum is 39.

The square root of 123648726 is about 11119.7448711740. The cubic root of 123648726 is about 498.1917698237.

The spelling of 123648726 in words is "one hundred twenty-three million, six hundred forty-eight thousand, seven hundred twenty-six".