1020242103 has 16 divisors (see below), whose sum is σ = 1403550720. Its totient is φ = 658872864.

The previous prime is 1020242099. The next prime is 1020242117. The reversal of 1020242103 is 3012420201.

It is not a de Polignac number, because 1020242103 - 2² = 1020242099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020242173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28051 + ... + 53172.

It is an arithmetic number, because the mean of its divisors is an integer number (87721920).

Almost surely, 2^1020242103 is an apocalyptic number.

1020242103 is a deficient number, since it is larger than the sum of its proper divisors (383308617).

1020242103 is an equidigital number, since it uses as much as digits as its factorization.

1020242103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81358.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020242103 is about 31941.2288899472. The cubic root of 1020242103 is about 1006.7023458669.

Adding to 1020242103 its reverse (3012420201), we get a palindrome (4032662304).

The spelling of 1020242103 in words is "one billion, twenty million, two hundred forty-two thousand, one hundred three".