1046021 has 4 divisors (see below), whose sum is σ = 1049100. Its totient is φ = 1042944.

The previous prime is 1045997. The next prime is 1046029. The reversal of 1046021 is 1206401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1206401 = 7 ⋅172343.

It can be written as a sum of positive squares in 2 ways, for example, as 122500 + 923521 = 350^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1046021 - 2¹⁰ = 1044997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1045987 and 1046005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046029) 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, 956 + ... + 1733.

It is an arithmetic number, because the mean of its divisors is an integer number (262275).

2^1046021 is an apocalyptic number.

It is an amenable number.

1046021 is a deficient number, since it is larger than the sum of its proper divisors (3079).

1046021 is an equidigital number, since it uses as much as digits as its factorization.

1046021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1046021 is about 1022.7516805168. The cubic root of 1046021 is about 101.5110845555.

The spelling of 1046021 in words is "one million, forty-six thousand, twenty-one".