122630013 has 12 divisors (see below), whose sum is σ = 193235328. Its totient is φ = 74321160.

The previous prime is 122629979. The next prime is 122630021. The reversal of 122630013 is 310036221.

122630013 is a `hidden beast` number, since 1 + 22 + 630 + 0 + 13 = 666.

It is not a de Polignac number, because 122630013 - 2¹² = 122625917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122630083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619245 + ... + 619442.

It is an arithmetic number, because the mean of its divisors is an integer number (16102944).

Almost surely, 2^122630013 is an apocalyptic number.

It is an amenable number.

122630013 is a deficient number, since it is larger than the sum of its proper divisors (70605315).

122630013 is a wasteful number, since it uses less digits than its factorization.

122630013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238704 (or 1238701 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 122630013 is about 11073.8436416630. The cubic root of 122630013 is about 496.8198332961.

Adding to 122630013 its reverse (310036221), we get a palindrome (432666234).

The spelling of 122630013 in words is "one hundred twenty-two million, six hundred thirty thousand, thirteen".