1299103 has 6 divisors (see below), whose sum is σ = 1406904. Its totient is φ = 1199016.

The previous prime is 1299101. The next prime is 1299143. The reversal of 1299103 is 3019921.

It is not a de Polignac number, because 1299103 - 2¹ = 1299101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3675 + ... + 4012.

It is an arithmetic number, because the mean of its divisors is an integer number (234484).

2^1299103 is an apocalyptic number.

1299103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1299103 is a deficient number, since it is larger than the sum of its proper divisors (107801).

1299103 is an equidigital number, since it uses as much as digits as its factorization.

1299103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713 (or 7700 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1299103 is about 1139.7819966994. The cubic root of 1299103 is about 109.1141804941.

The spelling of 1299103 in words is "one million, two hundred ninety-nine thousand, one hundred three".