123730746 has 8 divisors (see below), whose sum is σ = 247461504. Its totient is φ = 41243580.

The previous prime is 123730721. The next prime is 123730751. The reversal of 123730746 is 647037321.

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

123730746 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10310890 + ... + 10310901.

It is an arithmetic number, because the mean of its divisors is an integer number (30932688).

Almost surely, 2^123730746 is an apocalyptic number.

123730746 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.

123730746 is a wasteful number, since it uses less digits than its factorization.

123730746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20621796.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 123730746 is about 11123.4322940359. The cubic root of 123730746 is about 498.3019007801.

The spelling of 123730746 in words is "one hundred twenty-three million, seven hundred thirty thousand, seven hundred forty-six".