122504305 has 32 divisors (see below), whose sum is σ = 192936960. Its totient is φ = 72342720.

The previous prime is 122504303. The next prime is 122504309. The reversal of 122504305 is 503405221.

It is not a de Polignac number, because 122504305 - 2¹ = 122504303 is a prime.

122504305 is a modest number, since divided by 4305 gives 1225 as remainder.

It is not an unprimeable number, because it can be changed into a prime (122504303) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1059 + ... + 15688.

It is an arithmetic number, because the mean of its divisors is an integer number (6029280).

Almost surely, 2^122504305 is an apocalyptic number.

It is an amenable number.

122504305 is a deficient number, since it is larger than the sum of its proper divisors (70432655).

122504305 is a wasteful number, since it uses less digits than its factorization.

122504305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16789.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 122504305 is about 11068.1662889568. The cubic root of 122504305 is about 496.6500119535.

Adding to 122504305 its reverse (503405221), we get a palindrome (625909526).

The spelling of 122504305 in words is "one hundred twenty-two million, five hundred four thousand, three hundred five".