1421295268 has 12 divisors (see below), whose sum is σ = 2633576652. Its totient is φ = 668844800.

The previous prime is 1421295257. The next prime is 1421295269. The reversal of 1421295268 is 8625921241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 738100224 + 683195044 = 27168^2 + 26138^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1421295268.

It is not an unprimeable number, because it can be changed into a prime (1421295269) 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, 10450633 + ... + 10450768.

It is an arithmetic number, because the mean of its divisors is an integer number (219464721).

Almost surely, 2^1421295268 is an apocalyptic number.

It is an amenable number.

1421295268 is a deficient number, since it is larger than the sum of its proper divisors (1212281384).

1421295268 is a wasteful number, since it uses less digits than its factorization.

1421295268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20901422 (or 20901420 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 1421295268 is about 37700.0698673093. The cubic root of 1421295268 is about 1124.3325141356.

The spelling of 1421295268 in words is "one billion, four hundred twenty-one million, two hundred ninety-five thousand, two hundred sixty-eight".