1014021 has 12 divisors (see below), whose sum is σ = 1473472. Its totient is φ = 671976.

The previous prime is 1014007. The next prime is 1014029. The reversal of 1014021 is 1204101.

It is a happy number.

It is not a de Polignac number, because 1014021 - 2⁷ = 1013893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013994 and 1014012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1014029) 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 11 ways as a sum of consecutive naturals, for example, 2580 + ... + 2946.

2^1014021 is an apocalyptic number.

It is an amenable number.

1014021 is a deficient number, since it is larger than the sum of its proper divisors (459451).

1014021 is a wasteful number, since it uses less digits than its factorization.

1014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1014021 is about 1006.9860972228. The cubic root of 1014021 is about 100.4651992078.

Adding to 1014021 its reverse (1204101), we get a palindrome (2218122).

The spelling of 1014021 in words is "one million, fourteen thousand, twenty-one".