1001204101 has 4 divisors (see below), whose sum is σ = 1006797600. Its totient is φ = 995610604.

The previous prime is 1001204093. The next prime is 1001204123. The reversal of 1001204101 is 1014021001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1001204101 - 2³ = 1001204093 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 (1001204801) 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, 2796481 + ... + 2796838.

It is an arithmetic number, because the mean of its divisors is an integer number (251699400).

Almost surely, 2^1001204101 is an apocalyptic number.

It is an amenable number.

1001204101 is a deficient number, since it is larger than the sum of its proper divisors (5593499).

1001204101 is an equidigital number, since it uses as much as digits as its factorization.

1001204101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593498.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1001204101 is about 31641.8093825243. The cubic root of 1001204101 is about 1000.4012060122.

Adding to 1001204101 its reverse (1014021001), we get a palindrome (2015225102).

The spelling of 1001204101 in words is "one billion, one million, two hundred four thousand, one hundred one".