123650742 has 16 divisors (see below), whose sum is σ = 247412160. Its totient is φ = 41198472.

The previous prime is 123650731. The next prime is 123650743. The reversal of 123650742 is 247056321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123650743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20109 + ... + 25527.

It is an arithmetic number, because the mean of its divisors is an integer number (15463260).

Almost surely, 2^123650742 is an apocalyptic number.

123650742 is an abundant number, since it is smaller than the sum of its proper divisors (123761418).

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

123650742 is a wasteful number, since it uses less digits than its factorization.

123650742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9227.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 123650742 is about 11119.8355203663. The cubic root of 123650742 is about 498.1944773571.

The spelling of 123650742 in words is "one hundred twenty-three million, six hundred fifty thousand, seven hundred forty-two".