1275227 has 2 divisors, whose sum is σ = 1275228. Its totient is φ = 1275226.

The previous prime is 1275203. The next prime is 1275269. The reversal of 1275227 is 7225721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1275227 is a prime.

It is a Chen prime.

It is an Ulam number.

It is equal to p₉₈₂₇₀ and since 1275227 and 98270 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 1275196 and 1275205.

It is not a weakly prime, because it can be changed into another prime (1275277) 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 as a sum of consecutive naturals, namely, 637613 + 637614.

It is an arithmetic number, because the mean of its divisors is an integer number (637614).

2^1275227 is an apocalyptic number.

1275227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275227 is an equidigital number, since it uses as much as digits as its factorization.

1275227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1960, while the sum is 26.

The square root of 1275227 is about 1129.2594918795. The cubic root of 1275227 is about 108.4415791167.

The spelling of 1275227 in words is "one million, two hundred seventy-five thousand, two hundred twenty-seven".