1041002221 has 8 divisors (see below), whose sum is σ = 1191270080. Its totient is φ = 891122688.

The previous prime is 1041002189. The next prime is 1041002239. The reversal of 1041002221 is 1222001401.

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 1041002221 - 2⁵ = 1041002189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041002321) 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, 91311 + ... + 102076.

It is an arithmetic number, because the mean of its divisors is an integer number (148908760).

Almost surely, 2^1041002221 is an apocalyptic number.

It is an amenable number.

1041002221 is a deficient number, since it is larger than the sum of its proper divisors (150267859).

1041002221 is an equidigital number, since it uses as much as digits as its factorization.

1041002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194163.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1041002221 is about 32264.5660283848. The cubic root of 1041002221 is about 1013.4847511377.

Adding to 1041002221 its reverse (1222001401), we get a palindrome (2263003622).

The spelling of 1041002221 in words is "one billion, forty-one million, two thousand, two hundred twenty-one".