1426786271 has 4 divisors (see below), whose sum is σ = 1426927272. Its totient is φ = 1426645272.

The previous prime is 1426786237. The next prime is 1426786307. The reversal of 1426786271 is 1726876241.

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 1426786271 - 2¹⁰ = 1426785247 is a prime.

It is a super-2 number, since 2×1426786271² = 4071438126228170882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426786201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54041 + ... + 75986.

It is an arithmetic number, because the mean of its divisors is an integer number (356731818).

Almost surely, 2^1426786271 is an apocalyptic number.

1426786271 is a deficient number, since it is larger than the sum of its proper divisors (141001).

1426786271 is a wasteful number, since it uses less digits than its factorization.

1426786271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141000.

The product of its digits is 225792, while the sum is 44.

The square root of 1426786271 is about 37772.8245038679. The cubic root of 1426786271 is about 1125.7785612500.

The spelling of 1426786271 in words is "one billion, four hundred twenty-six million, seven hundred eighty-six thousand, two hundred seventy-one".