1303279 has 2 divisors, whose sum is σ = 1303280. Its totient is φ = 1303278.

The previous prime is 1303261. The next prime is 1303283. The reversal of 1303279 is 9723031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1303279 - 2⁷ = 1303151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651639 + 651640.

It is an arithmetic number, because the mean of its divisors is an integer number (651640).

2^1303279 is an apocalyptic number.

1303279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303279 is an equidigital number, since it uses as much as digits as its factorization.

1303279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1303279 is about 1141.6124561339. The cubic root of 1303279 is about 109.2309722197.

The spelling of 1303279 in words is "one million, three hundred three thousand, two hundred seventy-nine".