122503513 has 16 divisors (see below), whose sum is σ = 142145280. Its totient is φ = 104339200.

The previous prime is 122503477. The next prime is 122503519. The reversal of 122503513 is 315305221.

It is not a de Polignac number, because 122503513 - 2¹⁷ = 122372441 is a prime.

It is a super-2 number, since 2×122503513² = 30014221394682338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122503519) 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 15 ways as a sum of consecutive naturals, for example, 43323 + ... + 46063.

It is an arithmetic number, because the mean of its divisors is an integer number (8884080).

Almost surely, 2^122503513 is an apocalyptic number.

It is an amenable number.

122503513 is a deficient number, since it is larger than the sum of its proper divisors (19641767).

122503513 is a wasteful number, since it uses less digits than its factorization.

122503513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 122503513 is about 11068.1305106147. The cubic root of 122503513 is about 496.6489416573.

Adding to 122503513 its reverse (315305221), we get a palindrome (437808734).

The spelling of 122503513 in words is "one hundred twenty-two million, five hundred three thousand, five hundred thirteen".