663130122 has 16 divisors (see below), whose sum is σ = 1336385952. Its totient is φ = 219355760.

The previous prime is 663130109. The next prime is 663130147. The reversal of 663130122 is 221031366.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 663130092 and 663130101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421053 + ... + 422624.

It is an arithmetic number, because the mean of its divisors is an integer number (83524122).

Almost surely, 2^663130122 is an apocalyptic number.

663130122 is an abundant number, since it is smaller than the sum of its proper divisors (673255830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663130122 is a wasteful number, since it uses less digits than its factorization.

663130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843813.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 663130122 is about 25751.3130150678. The cubic root of 663130122 is about 872.0329969908.

Adding to 663130122 its reverse (221031366), we get a palindrome (884161488).

The spelling of 663130122 in words is "six hundred sixty-three million, one hundred thirty thousand, one hundred twenty-two".