1210103 has 2 divisors, whose sum is σ = 1210104. Its totient is φ = 1210102.

The previous prime is 1210093. The next prime is 1210123. The reversal of 1210103 is 3010121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210103 - 2⁶ = 1210039 is a prime.

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

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605051 + 605052.

It is an arithmetic number, because the mean of its divisors is an integer number (605052).

2^1210103 is an apocalyptic number.

1210103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210103 is an equidigital number, since it uses as much as digits as its factorization.

1210103 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 1210103 is about 1100.0468171855. The cubic root of 1210103 is about 106.5632472005.

Adding to 1210103 its reverse (3010121), we get a palindrome (4220224).

The spelling of 1210103 in words is "one million, two hundred ten thousand, one hundred three".