1020122003 has 2 divisors, whose sum is σ = 1020122004. Its totient is φ = 1020122002.

The previous prime is 1020121997. The next prime is 1020122029. The reversal of 1020122003 is 3002210201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020122003 - 2⁴ = 1020121987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020122063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510061001 + 510061002.

It is an arithmetic number, because the mean of its divisors is an integer number (510061002).

Almost surely, 2^1020122003 is an apocalyptic number.

1020122003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020122003 is an equidigital number, since it uses as much as digits as its factorization.

1020122003 is an evil number, because the sum of its binary digits is even.

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

The square root of 1020122003 is about 31939.3488192856. The cubic root of 1020122003 is about 1006.6628422707.

Adding to 1020122003 its reverse (3002210201), we get a palindrome (4022332204).

The spelling of 1020122003 in words is "one billion, twenty million, one hundred twenty-two thousand, three".