1042221 has 8 divisors (see below), whose sum is σ = 1408960. Its totient is φ = 685152.

The previous prime is 1042211. The next prime is 1042241. The reversal of 1042221 is 1222401.

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

It is not a de Polignac number, because 1042221 - 2¹³ = 1034029 is a prime.

It is a super-2 number, since 2×1042221² = 2172449225682, which contains 22 as substring.

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 = 1042197 and 1042206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042211) 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, 2161 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (176120).

2^1042221 is an apocalyptic number.

It is an amenable number.

1042221 is a deficient number, since it is larger than the sum of its proper divisors (366739).

1042221 is an equidigital number, since it uses as much as digits as its factorization.

1042221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1042221 is about 1020.8922568028. The cubic root of 1042221 is about 101.3880117631.

Adding to 1042221 its reverse (1222401), we get a palindrome (2264622).

The spelling of 1042221 in words is "one million, forty-two thousand, two hundred twenty-one".