1268441794 has 4 divisors (see below), whose sum is σ = 1902662694. Its totient is φ = 634220896.

The previous prime is 1268441719. The next prime is 1268441831. The reversal of 1268441794 is 4971448621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4971448621 = 2311 ⋅2151211.

It can be written as a sum of positive squares in only one way, i.e., 1268285769 + 156025 = 35613^2 + 395^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317110447 + ... + 317110450.

Almost surely, 2^1268441794 is an apocalyptic number.

1268441794 is a deficient number, since it is larger than the sum of its proper divisors (634220900).

1268441794 is an equidigital number, since it uses as much as digits as its factorization.

1268441794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634220899.

The product of its digits is 387072, while the sum is 46.

The square root of 1268441794 is about 35615.1904950683. The cubic root of 1268441794 is about 1082.4890562073.

The spelling of 1268441794 in words is "one billion, two hundred sixty-eight million, four hundred forty-one thousand, seven hundred ninety-four".