1270879 has 2 divisors, whose sum is σ = 1270880. Its totient is φ = 1270878.

The previous prime is 1270861. The next prime is 1270897. The reversal of 1270879 is 9780721.

Together with next prime (1270897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (1270861) and next prime (1270897).

It is an emirp because it is prime and its reverse (9780721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1270879 - 2¹⁷ = 1139807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1270849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635439 + 635440.

It is an arithmetic number, because the mean of its divisors is an integer number (635440).

2^1270879 is an apocalyptic number.

1270879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270879 is an equidigital number, since it uses as much as digits as its factorization.

1270879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1270879 is about 1127.3326926866. The cubic root of 1270879 is about 108.3181917036.

The spelling of 1270879 in words is "one million, two hundred seventy thousand, eight hundred seventy-nine".