1294264849 has 4 divisors (see below), whose sum is σ = 1336015360. Its totient is φ = 1252514340.

The previous prime is 1294264843. The next prime is 1294264871. The reversal of 1294264849 is 9484624921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1294264849 - 2⁷ = 1294264721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1294264843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20875209 + ... + 20875270.

It is an arithmetic number, because the mean of its divisors is an integer number (334003840).

Almost surely, 2^1294264849 is an apocalyptic number.

It is an amenable number.

1294264849 is a deficient number, since it is larger than the sum of its proper divisors (41750511).

1294264849 is an equidigital number, since it uses as much as digits as its factorization.

1294264849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41750510.

The product of its digits is 995328, while the sum is 49.

The square root of 1294264849 is about 35975.8926088012. The cubic root of 1294264849 is about 1089.7855676153.

The spelling of 1294264849 in words is "one billion, two hundred ninety-four million, two hundred sixty-four thousand, eight hundred forty-nine".