1001202641 has 24 divisors (see below), whose sum is σ = 1117283520. Its totient is φ = 895732992.

The previous prime is 1001202619. The next prime is 1001202661. The reversal of 1001202641 is 1462021001.

It is not a de Polignac number, because 1001202641 - 2²⁶ = 934093777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1001202661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560636 + ... + 562418.

It is an arithmetic number, because the mean of its divisors is an integer number (46553480).

Almost surely, 2^1001202641 is an apocalyptic number.

It is an amenable number.

1001202641 is a deficient number, since it is larger than the sum of its proper divisors (116080879).

1001202641 is a wasteful number, since it uses less digits than its factorization.

1001202641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1001202641 is about 31641.7863117745. The cubic root of 1001202641 is about 1000.4007197356.

Adding to 1001202641 its reverse (1462021001), we get a palindrome (2463223642).

The spelling of 1001202641 in words is "one billion, one million, two hundred two thousand, six hundred forty-one".