1222123130 has 16 divisors (see below), whose sum is σ = 2315602080. Its totient is φ = 463120272.

The previous prime is 1222123117. The next prime is 1222123139. The reversal of 1222123130 is 313212221.

It is a junction number, because it is equal to n+sod(n) for n = 1222123099 and 1222123108.

It is not an unprimeable number, because it can be changed into a prime (1222123139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215924 + ... + 3216303.

It is an arithmetic number, because the mean of its divisors is an integer number (144725130).

Almost surely, 2^1222123130 is an apocalyptic number.

1222123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222123130 is a deficient number, since it is larger than the sum of its proper divisors (1093478950).

1222123130 is a wasteful number, since it uses less digits than its factorization.

1222123130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432253.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1222123130 is about 34958.8776993770. The cubic root of 1222123130 is about 1069.1492145173.

Adding to 1222123130 its reverse (313212221), we get a palindrome (1535335351).

The spelling of 1222123130 in words is "one billion, two hundred twenty-two million, one hundred twenty-three thousand, one hundred thirty".