123949606 has 8 divisors (see below), whose sum is σ = 202826664. Its totient is φ = 56340720.

The previous prime is 123949591. The next prime is 123949613. The reversal of 123949606 is 606949321.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2817015 + ... + 2817058.

It is an arithmetic number, because the mean of its divisors is an integer number (25353333).

Almost surely, 2^123949606 is an apocalyptic number.

123949606 is a deficient number, since it is larger than the sum of its proper divisors (78877058).

123949606 is a wasteful number, since it uses less digits than its factorization.

123949606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634086.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 123949606 is about 11133.2657383178. The cubic root of 123949606 is about 498.5955333071.

The spelling of 123949606 in words is "one hundred twenty-three million, nine hundred forty-nine thousand, six hundred six".