1048021 has 8 divisors (see below), whose sum is σ = 1188320. Its totient is φ = 916272.

The previous prime is 1048013. The next prime is 1048027. The reversal of 1048021 is 1208401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1048021 - 2³ = 1048013 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1047986 and 1048004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875 + ... + 2368.

It is an arithmetic number, because the mean of its divisors is an integer number (148540).

2^1048021 is an apocalyptic number.

It is an amenable number.

1048021 is a deficient number, since it is larger than the sum of its proper divisors (140299).

1048021 is a wasteful number, since it uses less digits than its factorization.

1048021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1048021 is about 1023.7289680379. The cubic root of 1048021 is about 101.5757400175.

It can be divided in two parts, 10480 and 21, that added together give a palindrome (10501).

The spelling of 1048021 in words is "one million, forty-eight thousand, twenty-one".