1275426226 has 4 divisors (see below), whose sum is σ = 1913139342. Its totient is φ = 637713112.

The previous prime is 1275426193. The next prime is 1275426227. The reversal of 1275426226 is 6226245721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6226245721 = 66593 ⋅93497.

It can be written as a sum of positive squares in only one way, i.e., 694375201 + 581051025 = 26351^2 + 24105^2 .

It is not an unprimeable number, because it can be changed into a prime (1275426227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318856555 + ... + 318856558.

Almost surely, 2^1275426226 is an apocalyptic number.

1275426226 is a deficient number, since it is larger than the sum of its proper divisors (637713116).

1275426226 is an equidigital number, since it uses as much as digits as its factorization.

1275426226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637713115.

The product of its digits is 80640, while the sum is 37.

The square root of 1275426226 is about 35713.1100017907. The cubic root of 1275426226 is about 1084.4722602163.

The spelling of 1275426226 in words is "one billion, two hundred seventy-five million, four hundred twenty-six thousand, two hundred twenty-six".