1276103 has 2 divisors, whose sum is σ = 1276104. Its totient is φ = 1276102.

The previous prime is 1276069. The next prime is 1276117. The reversal of 1276103 is 3016721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1276103 - 2⁶ = 1276039 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 (1276123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638051 + 638052.

It is an arithmetic number, because the mean of its divisors is an integer number (638052).

2^1276103 is an apocalyptic number.

1276103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1276103 is an equidigital number, since it uses as much as digits as its factorization.

1276103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1276103 is about 1129.6472900866. The cubic root of 1276103 is about 108.4664042601.

The spelling of 1276103 in words is "one million, two hundred seventy-six thousand, one hundred three".