1022126808 has 128 divisors (see below), whose sum is σ = 2802470400. Its totient is φ = 309636096.

The previous prime is 1022126803. The next prime is 1022126849. The reversal of 1022126808 is 8086212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022126803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1072060 + ... + 1073012.

It is an arithmetic number, because the mean of its divisors is an integer number (21894300).

Almost surely, 2^1022126808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022126808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401235200).

1022126808 is an abundant number, since it is smaller than the sum of its proper divisors (1780343592).

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

1022126808 is a wasteful number, since it uses less digits than its factorization.

1022126808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1022126808 is about 31970.7179775494. The cubic root of 1022126808 is about 1007.3218621603.

The spelling of 1022126808 in words is "one billion, twenty-two million, one hundred twenty-six thousand, eight hundred eight".