1002030122 has 4 divisors (see below), whose sum is σ = 1503045186. Its totient is φ = 501015060.

The previous prime is 1002030089. The next prime is 1002030149. The reversal of 1002030122 is 2210302001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2210302001 = 23 ⋅96100087.

It can be written as a sum of positive squares in only one way, i.e., 652751401 + 349278721 = 25549^2 + 18689^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250507529 + ... + 250507532.

Almost surely, 2^1002030122 is an apocalyptic number.

1002030122 is a deficient number, since it is larger than the sum of its proper divisors (501015064).

1002030122 is an equidigital number, since it uses as much as digits as its factorization.

1002030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501015063.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1002030122 is about 31654.8593741940. The cubic root of 1002030122 is about 1000.6762499163.

Adding to 1002030122 its reverse (2210302001), we get a palindrome (3212332123).

The spelling of 1002030122 in words is "one billion, two million, thirty thousand, one hundred twenty-two".