1012103 has 2 divisors, whose sum is σ = 1012104. Its totient is φ = 1012102.

The previous prime is 1012097. The next prime is 1012133. The reversal of 1012103 is 3012101.

It is a weak prime.

It is an emirp because it is prime and its reverse (3012101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012103 - 2⁴ = 1012087 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506051 + 506052.

It is an arithmetic number, because the mean of its divisors is an integer number (506052).

2^1012103 is an apocalyptic number.

1012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012103 is an equidigital number, since it uses as much as digits as its factorization.

1012103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1012103 is about 1006.0332996477. The cubic root of 1012103 is about 100.4018166050.

Adding to 1012103 its reverse (3012101), we get a palindrome (4024204).

The spelling of 1012103 in words is "one million, twelve thousand, one hundred three".