1245303 has 12 divisors (see below), whose sum is σ = 1811160. Its totient is φ = 824496.

The previous prime is 1245281. The next prime is 1245331. The reversal of 1245303 is 3035421.

It is not a de Polignac number, because 1245303 - 2¹⁰ = 1244279 is a prime.

1245303 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1225 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (150930).

2^1245303 is an apocalyptic number.

1245303 is a deficient number, since it is larger than the sum of its proper divisors (565857).

1245303 is a wasteful number, since it uses less digits than its factorization.

1245303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1245303 is about 1115.9314495075. The cubic root of 1245303 is about 107.5866400866.

The spelling of 1245303 in words is "one million, two hundred forty-five thousand, three hundred three".