1421054 has 4 divisors (see below), whose sum is σ = 2131584. Its totient is φ = 710526.

The previous prime is 1421041. The next prime is 1421083. The reversal of 1421054 is 4501241.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355262 + ... + 355265.

It is an arithmetic number, because the mean of its divisors is an integer number (532896).

2^1421054 is an apocalyptic number.

1421054 is a deficient number, since it is larger than the sum of its proper divisors (710530).

1421054 is an equidigital number, since it uses as much as digits as its factorization.

1421054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710529.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1421054 is about 1192.0796953224. The cubic root of 1421054 is about 112.4268891229.

Adding to 1421054 its reverse (4501241), we get a palindrome (5922295).

The spelling of 1421054 in words is "one million, four hundred twenty-one thousand, fifty-four".