123224245 has 16 divisors (see below), whose sum is σ = 160802928. Its totient is φ = 90270720.

The previous prime is 123224243. The next prime is 123224293. The reversal of 123224245 is 542422321.

It can be written as a sum of positive squares in 8 ways, for example, as 30891364 + 92332881 = 5558^2 + 9609^2 .

It is not a de Polignac number, because 123224245 - 2¹ = 123224243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123224243) 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, 16446 + ... + 22735.

It is an arithmetic number, because the mean of its divisors is an integer number (10050183).

Almost surely, 2^123224245 is an apocalyptic number.

It is an amenable number.

123224245 is a deficient number, since it is larger than the sum of its proper divisors (37578683).

123224245 is a wasteful number, since it uses less digits than its factorization.

123224245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39240.

The product of its digits is 3840, while the sum is 25.

The square root of 123224245 is about 11100.6416481211. The cubic root of 123224245 is about 497.6210255799.

Adding to 123224245 its reverse (542422321), we get a palindrome (665646566).

The spelling of 123224245 in words is "one hundred twenty-three million, two hundred twenty-four thousand, two hundred forty-five".