1272303 has 12 divisors (see below), whose sum is σ = 1847560. Its totient is φ = 843696.

The previous prime is 1272289. The next prime is 1272329. The reversal of 1272303 is 3032721.

It is not a de Polignac number, because 1272303 - 2⁴ = 1272287 is a prime.

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

It is a Duffinian number.

It is a plaindrome in base 11 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272343) 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, 3168 + ... + 3546.

2^1272303 is an apocalyptic number.

1272303 is a deficient number, since it is larger than the sum of its proper divisors (575257).

1272303 is a wasteful number, since it uses less digits than its factorization.

1272303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 1272303 is about 1127.9640951732. The cubic root of 1272303 is about 108.3586328815.

The spelling of 1272303 in words is "one million, two hundred seventy-two thousand, three hundred three".