1223134122 has 48 divisors (see below), whose sum is σ = 2969893440. Its totient is φ = 328906752.

The previous prime is 1223134117. The next prime is 1223134141. The reversal of 1223134122 is 2214313221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38247 + ... + 62522.

It is an arithmetic number, because the mean of its divisors is an integer number (61872780).

Almost surely, 2^1223134122 is an apocalyptic number.

1223134122 is an abundant number, since it is smaller than the sum of its proper divisors (1746759318).

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

1223134122 is a wasteful number, since it uses less digits than its factorization.

1223134122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100815 (or 100798 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1223134122 is about 34973.3344421146. The cubic root of 1223134122 is about 1069.4439484267.

Adding to 1223134122 its reverse (2214313221), we get a palindrome (3437447343).

The spelling of 1223134122 in words is "one billion, two hundred twenty-three million, one hundred thirty-four thousand, one hundred twenty-two".