1295498879 has 4 divisors (see below), whose sum is σ = 1295584584. Its totient is φ = 1295413176.

The previous prime is 1295498857. The next prime is 1295498887. The reversal of 1295498879 is 9788945921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1295498879 - 2¹⁶ = 1295433343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295498839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13457 + ... + 52650.

It is an arithmetic number, because the mean of its divisors is an integer number (323896146).

Almost surely, 2^1295498879 is an apocalyptic number.

1295498879 is a deficient number, since it is larger than the sum of its proper divisors (85705).

1295498879 is an equidigital number, since it uses as much as digits as its factorization.

1295498879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85704.

The product of its digits is 13063680, while the sum is 62.

The square root of 1295498879 is about 35993.0393131783. The cubic root of 1295498879 is about 1090.1318133104.

The spelling of 1295498879 in words is "one billion, two hundred ninety-five million, four hundred ninety-eight thousand, eight hundred seventy-nine".