123240706 has 8 divisors (see below), whose sum is σ = 185194620. Its totient is φ = 61509168.

The previous prime is 123240697. The next prime is 123240713. The reversal of 123240706 is 607042321.

It can be written as a sum of positive squares in 2 ways, for example, as 99181681 + 24059025 = 9959^2 + 4905^2 .

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

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, 54201 + ... + 56428.

Almost surely, 2^123240706 is an apocalyptic number.

123240706 is a deficient number, since it is larger than the sum of its proper divisors (61953914).

123240706 is a wasteful number, since it uses less digits than its factorization.

123240706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111188.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 123240706 is about 11101.3830669876. The cubic root of 123240706 is about 497.6431829483.

The spelling of 123240706 in words is "one hundred twenty-three million, two hundred forty thousand, seven hundred six".