123102245 has 16 divisors (see below), whose sum is σ = 174648960. Its totient is φ = 81501504.

The previous prime is 123102227. The next prime is 123102257. The reversal of 123102245 is 542201321.

It is not a de Polignac number, because 123102245 - 2⁶ = 123102181 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 59627 + ... + 61656.

It is an arithmetic number, because the mean of its divisors is an integer number (10915560).

Almost surely, 2^123102245 is an apocalyptic number.

It is an amenable number.

123102245 is a deficient number, since it is larger than the sum of its proper divisors (51546715).

123102245 is a wasteful number, since it uses less digits than its factorization.

123102245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121324.

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

The square root of 123102245 is about 11095.1451094612. The cubic root of 123102245 is about 497.4567456481.

Adding to 123102245 its reverse (542201321), we get a palindrome (665303566).

The spelling of 123102245 in words is "one hundred twenty-three million, one hundred two thousand, two hundred forty-five".