1421763 has 16 divisors (see below), whose sum is σ = 2196480. Its totient is φ = 801216.

The previous prime is 1421759. The next prime is 1421773. The reversal of 1421763 is 3671241.

It is not a de Polignac number, because 1421763 - 2² = 1421759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231 + ... + 2087.

It is an arithmetic number, because the mean of its divisors is an integer number (137280).

2^1421763 is an apocalyptic number.

1421763 is a deficient number, since it is larger than the sum of its proper divisors (774717).

1421763 is an equidigital number, since it uses as much as digits as its factorization.

1421763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 1008, while the sum is 24.

The square root of 1421763 is about 1192.3770376856. The cubic root of 1421763 is about 112.4455835595.

The spelling of 1421763 in words is "one million, four hundred twenty-one thousand, seven hundred sixty-three".