1421488 has 10 divisors (see below), whose sum is σ = 2754164. Its totient is φ = 710736.

The previous prime is 1421479. The next prime is 1421501. The reversal of 1421488 is 8841241.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44406 + ... + 44437.

2^1421488 is an apocalyptic number.

It is an amenable number.

1421488 is a deficient number, since it is larger than the sum of its proper divisors (1332676).

1421488 is an equidigital number, since it uses as much as digits as its factorization.

1421488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88851 (or 88845 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

The square root of 1421488 is about 1192.2617162352. The cubic root of 1421488 is about 112.4383332818.

The spelling of 1421488 in words is "one million, four hundred twenty-one thousand, four hundred eighty-eight".