1295779 has 4 divisors (see below), whose sum is σ = 1303120. Its totient is φ = 1288440.

The previous prime is 1295761. The next prime is 1295783. The reversal of 1295779 is 9775921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1295779 - 2⁵ = 1295747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1295279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3399 + ... + 3760.

It is an arithmetic number, because the mean of its divisors is an integer number (325780).

2^1295779 is an apocalyptic number.

1295779 is a deficient number, since it is larger than the sum of its proper divisors (7341).

1295779 is an equidigital number, since it uses as much as digits as its factorization.

1295779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340.

The product of its digits is 39690, while the sum is 40.

The square root of 1295779 is about 1138.3228891663. The cubic root of 1295779 is about 109.0210379391.

The spelling of 1295779 in words is "one million, two hundred ninety-five thousand, seven hundred seventy-nine".