7091200001 has 8 divisors (see below), whose sum is σ = 7163480808. Its totient is φ = 7018960000.

The previous prime is 7091199971. The next prime is 7091200009. The reversal of 7091200001 is 1000021907.

It can be written as a sum of positive squares in 4 ways, for example, as 5809488400 + 1281711601 = 76220^2 + 35801^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7091200001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7091200009) 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, 438581 + ... + 454461.

It is an arithmetic number, because the mean of its divisors is an integer number (895435101).

Almost surely, 2^7091200001 is an apocalyptic number.

It is an amenable number.

7091200001 is a deficient number, since it is larger than the sum of its proper divisors (72280807).

7091200001 is a wasteful number, since it uses less digits than its factorization.

7091200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20403.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 7091200001 is about 84209.2631543585. The cubic root of 7091200001 is about 1921.2029499448.

Adding to 7091200001 its reverse (1000021907), we get a palindrome (8091221908).

The spelling of 7091200001 in words is "seven billion, ninety-one million, two hundred thousand, one".