1275319 has 2 divisors, whose sum is σ = 1275320. Its totient is φ = 1275318.

The previous prime is 1275293. The next prime is 1275341. The reversal of 1275319 is 9135721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1275319 - 2¹³ = 1267127 is a prime.

It is a super-2 number, since 2×1275319² = 3252877103522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637659 + 637660.

It is an arithmetic number, because the mean of its divisors is an integer number (637660).

2^1275319 is an apocalyptic number.

1275319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275319 is an equidigital number, since it uses as much as digits as its factorization.

1275319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 28.

The square root of 1275319 is about 1129.3002258036. The cubic root of 1275319 is about 108.4441868577. Note that the first 3 decimals are identical.

The spelling of 1275319 in words is "one million, two hundred seventy-five thousand, three hundred nineteen".