1220322126 has 8 divisors (see below), whose sum is σ = 2440644264. Its totient is φ = 406774040.

The previous prime is 1220322119. The next prime is 1220322127. The reversal of 1220322126 is 6212230221.

It is a sphenic number, since it is the product of 3 distinct primes.

1220322126 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220322127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101693505 + ... + 101693516.

It is an arithmetic number, because the mean of its divisors is an integer number (305080533).

Almost surely, 2^1220322126 is an apocalyptic number.

1220322126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1220322126 is a wasteful number, since it uses less digits than its factorization.

1220322126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203387026.

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

The square root of 1220322126 is about 34933.1093090781. The cubic root of 1220322126 is about 1068.6237659189.

Adding to 1220322126 its reverse (6212230221), we get a palindrome (7432552347).

The spelling of 1220322126 in words is "one billion, two hundred twenty million, three hundred twenty-two thousand, one hundred twenty-six".