1002000122 has 4 divisors (see below), whose sum is σ = 1503000186. Its totient is φ = 501000060.

The previous prime is 1002000101. The next prime is 1002000137. The reversal of 1002000122 is 2210002001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 683770201 + 318229921 = 26149^2 + 17839^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250500029 + ... + 250500032.

Almost surely, 2^1002000122 is an apocalyptic number.

1002000122 is a deficient number, since it is larger than the sum of its proper divisors (501000064).

1002000122 is an equidigital number, since it uses as much as digits as its factorization.

1002000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501000063.

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

The square root of 1002000122 is about 31654.3855097520. The cubic root of 1002000122 is about 1000.6662633279. Note that the first 3 decimals are identical.

Adding to 1002000122 its reverse (2210002001), we get a palindrome (3212002123).

The spelling of 1002000122 in words is "one billion, two million, one hundred twenty-two", and thus it is an aban number.