1122812002 has 32 divisors (see below), whose sum is σ = 1883589120. Its totient is φ = 501443280.

The previous prime is 1122811993. The next prime is 1122812003. The reversal of 1122812002 is 2002182211.

It is not an unprimeable number, because it can be changed into a prime (1122812003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132093 + ... + 140335.

It is an arithmetic number, because the mean of its divisors is an integer number (58862160).

Almost surely, 2^1122812002 is an apocalyptic number.

1122812002 is a deficient number, since it is larger than the sum of its proper divisors (760777118).

1122812002 is an equidigital number, since it uses as much as digits as its factorization.

1122812002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315 (or 8289 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1122812002 is about 33508.3870396652. The cubic root of 1122812002 is about 1039.3672192337.

Adding to 1122812002 its reverse (2002182211), we get a palindrome (3124994213).

The spelling of 1122812002 in words is "one billion, one hundred twenty-two million, eight hundred twelve thousand, two".