1122001002 has 12 divisors (see below), whose sum is σ = 2431002210. Its totient is φ = 374000328.

The previous prime is 1122000953. The next prime is 1122001031. The reversal of 1122001002 is 2001002211.

It can be written as a sum of positive squares in only one way, i.e., 669205161 + 452795841 = 25869^2 + 21279^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31166677 + ... + 31166712.

Almost surely, 2^1122001002 is an apocalyptic number.

1122001002 is an abundant number, since it is smaller than the sum of its proper divisors (1309001208).

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

1122001002 is a wasteful number, since it uses less digits than its factorization.

1122001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62333397 (or 62333394 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1122001002 is about 33496.2834057750. The cubic root of 1122001002 is about 1039.1169161727.

Adding to 1122001002 its reverse (2001002211), we get a palindrome (3123003213).

The spelling of 1122001002 in words is "one billion, one hundred twenty-two million, one thousand, two".