1421268 has 24 divisors (see below), whose sum is σ = 3511872. Its totient is φ = 445824.

The previous prime is 1421267. The next prime is 1421291. The reversal of 1421268 is 8621241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421267) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3280 + ... + 3687.

It is an arithmetic number, because the mean of its divisors is an integer number (146328).

2^1421268 is an apocalyptic number.

It is an amenable number.

1421268 is an abundant number, since it is smaller than the sum of its proper divisors (2090604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421268 is a wasteful number, since it uses less digits than its factorization.

1421268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991 (or 6989 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 1421268 is about 1192.1694510429. The cubic root of 1421268 is about 112.4325323864.

The spelling of 1421268 in words is "one million, four hundred twenty-one thousand, two hundred sixty-eight".