1002023122 has 12 divisors (see below), whose sum is σ = 1544759370. Its totient is φ = 487469376.

The previous prime is 1002023119. The next prime is 1002023147. The reversal of 1002023122 is 2213202001.

It can be written as a sum of positive squares in 3 ways, for example, as 982759801 + 19263321 = 31349^2 + 4389^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 180247 + ... + 185722.

Almost surely, 2^1002023122 is an apocalyptic number.

1002023122 is a deficient number, since it is larger than the sum of its proper divisors (542736248).

1002023122 is an equidigital number, since it uses as much as digits as its factorization.

1002023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366045 (or 366008 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1002023122 is about 31654.7488064587. The cubic root of 1002023122 is about 1000.6739197302.

Adding to 1002023122 its reverse (2213202001), we get a palindrome (3215225123).

The spelling of 1002023122 in words is "one billion, two million, twenty-three thousand, one hundred twenty-two".