1421235266 has 12 divisors (see below), whose sum is σ = 2343276726. Its totient is φ = 646015920.

The previous prime is 1421235259. The next prime is 1421235271. The reversal of 1421235266 is 6625321241.

It can be written as a sum of positive squares in only one way, i.e., 1411129225 + 10106041 = 37565^2 + 3179^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2936195 + ... + 2936678.

Almost surely, 2^1421235266 is an apocalyptic number.

1421235266 is a deficient number, since it is larger than the sum of its proper divisors (922041460).

1421235266 is a wasteful number, since it uses less digits than its factorization.

1421235266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872897 (or 5872886 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 1421235266 is about 37699.2740778917. The cubic root of 1421235266 is about 1124.3166921479.

The spelling of 1421235266 in words is "one billion, four hundred twenty-one million, two hundred thirty-five thousand, two hundred sixty-six".