123715241 has 8 divisors (see below), whose sum is σ = 134004360. Its totient is φ = 113536512.

The previous prime is 123715237. The next prime is 123715253. The reversal of 123715241 is 142517321.

It can be written as a sum of positive squares in 4 ways, for example, as 38688400 + 85026841 = 6220^2 + 9221^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 123715241 - 2² = 123715237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123715241.

It is not an unprimeable number, because it can be changed into a prime (123715201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25256 + ... + 29753.

It is an arithmetic number, because the mean of its divisors is an integer number (16750545).

Almost surely, 2^123715241 is an apocalyptic number.

It is an amenable number.

123715241 is a deficient number, since it is larger than the sum of its proper divisors (10289119).

123715241 is a wasteful number, since it uses less digits than its factorization.

123715241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55195.

The product of its digits is 1680, while the sum is 26.

The square root of 123715241 is about 11122.7353200550. The cubic root of 123715241 is about 498.2810854372.

The spelling of 123715241 in words is "one hundred twenty-three million, seven hundred fifteen thousand, two hundred forty-one".