124401305 has 16 divisors (see below), whose sum is σ = 171701760. Its totient is φ = 84756672.

The previous prime is 124401293. The next prime is 124401307. The reversal of 124401305 is 503104421.

It is not a de Polignac number, because 124401305 - 2¹⁰ = 124400281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124401307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5825 + ... + 16814.

It is an arithmetic number, because the mean of its divisors is an integer number (10731360).

Almost surely, 2^124401305 is an apocalyptic number.

It is an amenable number.

124401305 is a deficient number, since it is larger than the sum of its proper divisors (47300455).

124401305 is a wasteful number, since it uses less digits than its factorization.

124401305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22808.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 124401305 is about 11153.5332966733. The cubic root of 124401305 is about 499.2004621600.

Adding to 124401305 its reverse (503104421), we get a palindrome (627505726).

The spelling of 124401305 in words is "one hundred twenty-four million, four hundred one thousand, three hundred five".