1021050103 has 2 divisors, whose sum is σ = 1021050104. Its totient is φ = 1021050102.

The previous prime is 1021050091. The next prime is 1021050127. The reversal of 1021050103 is 3010501201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021050103 - 2¹³ = 1021041911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021050143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510525051 + 510525052.

It is an arithmetic number, because the mean of its divisors is an integer number (510525052).

Almost surely, 2^1021050103 is an apocalyptic number.

1021050103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021050103 is an equidigital number, since it uses as much as digits as its factorization.

1021050103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1021050103 is about 31953.8746163904. The cubic root of 1021050103 is about 1006.9680347180.

Adding to 1021050103 its reverse (3010501201), we get a palindrome (4031551304).

The spelling of 1021050103 in words is "one billion, twenty-one million, fifty thousand, one hundred three".