1275203 has 2 divisors, whose sum is σ = 1275204. Its totient is φ = 1275202.

The previous prime is 1275199. The next prime is 1275227. The reversal of 1275203 is 3025721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1275203 - 2² = 1275199 is a prime.

It is a super-2 number, since 2×1275203² = 3252285382418, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1275283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637601 + 637602.

It is an arithmetic number, because the mean of its divisors is an integer number (637602).

2^1275203 is an apocalyptic number.

1275203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275203 is an equidigital number, since it uses as much as digits as its factorization.

1275203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1275203 is about 1129.2488653968. The cubic root of 1275203 is about 108.4408988158.

The spelling of 1275203 in words is "one million, two hundred seventy-five thousand, two hundred three".