1421084 has 12 divisors (see below), whose sum is σ = 2842224. Its totient is φ = 609024.

The previous prime is 1421083. The next prime is 1421093. The reversal of 1421084 is 4801241.

1421084 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25349 + ... + 25404.

It is an arithmetic number, because the mean of its divisors is an integer number (236852).

2^1421084 is an apocalyptic number.

1421084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1421084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1421084 is a wasteful number, since it uses less digits than its factorization.

1421084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50764 (or 50762 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1421084 is about 1192.0922783073. The cubic root of 1421084 is about 112.4276802688.

The spelling of 1421084 in words is "one million, four hundred twenty-one thousand, eighty-four".