1002441021 has 8 divisors (see below), whose sum is σ = 1369187904. Its totient is φ = 651994080.

The previous prime is 1002440987. The next prime is 1002441029. The reversal of 1002441021 is 1201442001.

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

It is not a de Polignac number, because 1002441021 - 2¹¹ = 1002438973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002441029) 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, 4074841 + ... + 4075086.

It is an arithmetic number, because the mean of its divisors is an integer number (171148488).

Almost surely, 2^1002441021 is an apocalyptic number.

It is an amenable number.

1002441021 is a deficient number, since it is larger than the sum of its proper divisors (366746883).

1002441021 is an equidigital number, since it uses as much as digits as its factorization.

1002441021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149971.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1002441021 is about 31661.3490078992. The cubic root of 1002441021 is about 1000.8130124982.

Adding to 1002441021 its reverse (1201442001), we get a palindrome (2203883022).

The spelling of 1002441021 in words is "one billion, two million, four hundred forty-one thousand, twenty-one".