1220122122 has 32 divisors (see below), whose sum is σ = 2486299200. Its totient is φ = 399064320.

The previous prime is 1220122109. The next prime is 1220122199. The reversal of 1220122122 is 2212210221.

1220122122 is a modest number, since divided by 122122 gives 1220 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154629 + ... + 162327.

It is an arithmetic number, because the mean of its divisors is an integer number (77696850).

Almost surely, 2^1220122122 is an apocalyptic number.

1220122122 is an abundant number, since it is smaller than the sum of its proper divisors (1266177078).

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

1220122122 is a wasteful number, since it uses less digits than its factorization.

1220122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1220122122 is about 34930.2465207447. The cubic root of 1220122122 is about 1068.5653822346.

Adding to 1220122122 its reverse (2212210221), we get a palindrome (3432332343).

The spelling of 1220122122 in words is "one billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".