1265479 has 2 divisors, whose sum is σ = 1265480. Its totient is φ = 1265478.

The previous prime is 1265477. The next prime is 1265503. The reversal of 1265479 is 9745621.

It is a weak prime.

It is an emirp because it is prime and its reverse (9745621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1265479 - 2¹ = 1265477 is a prime.

Together with 1265477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1265471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632739 + 632740.

It is an arithmetic number, because the mean of its divisors is an integer number (632740).

2^1265479 is an apocalyptic number.

1265479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265479 is an equidigital number, since it uses as much as digits as its factorization.

1265479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 1265479 is about 1124.9351092396. The cubic root of 1265479 is about 108.1645582366.

The spelling of 1265479 in words is "one million, two hundred sixty-five thousand, four hundred seventy-nine".