1002041041 has 4 divisors (see below), whose sum is σ = 1002165300. Its totient is φ = 1001916784.

The previous prime is 1002041021. The next prime is 1002041059. The reversal of 1002041041 is 1401402001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1401402001 = 277 ⋅5059213.

It can be written as a sum of positive squares in 2 ways, for example, as 690165441 + 311875600 = 26271^2 + 17660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002041041 - 2⁵ = 1002041009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002041021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49126 + ... + 66463.

It is an arithmetic number, because the mean of its divisors is an integer number (250541325).

Almost surely, 2^1002041041 is an apocalyptic number.

It is an amenable number.

1002041041 is a deficient number, since it is larger than the sum of its proper divisors (124259).

1002041041 is an equidigital number, since it uses as much as digits as its factorization.

1002041041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124258.

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

The square root of 1002041041 is about 31655.0318432947. The cubic root of 1002041041 is about 1000.6798846521.

Adding to 1002041041 its reverse (1401402001), we get a palindrome (2403443042).

The spelling of 1002041041 in words is "one billion, two million, forty-one thousand, forty-one".