1004001101 has 4 divisors (see below), whose sum is σ = 1022944572. Its totient is φ = 985057632.

The previous prime is 1004001091. The next prime is 1004001107. The reversal of 1004001101 is 1011004001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 244171876 + 759829225 = 15626^2 + 27565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004001101 - 2²⁶ = 936892237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004001107) 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, 9471656 + ... + 9471761.

It is an arithmetic number, because the mean of its divisors is an integer number (255736143).

Almost surely, 2^1004001101 is an apocalyptic number.

It is an amenable number.

1004001101 is a deficient number, since it is larger than the sum of its proper divisors (18943471).

1004001101 is an equidigital number, since it uses as much as digits as its factorization.

1004001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18943470.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1004001101 is about 31685.9764091309. The cubic root of 1004001101 is about 1001.3319255201.

Adding to 1004001101 its reverse (1011004001), we get a palindrome (2015005102).

It can be divided in two parts, 1004001 and 101, that multiplied together give a palindrome (101404101).

The spelling of 1004001101 in words is "one billion, four million, one thousand, one hundred one".