8045870121 has 12 divisors (see below), whose sum is σ = 11691406272. Its totient is φ = 5331793176.

The previous prime is 8045870117. The next prime is 8045870141. The reversal of 8045870121 is 1210785408.

8045870121 is a `hidden beast` number, since 80 + 458 + 7 + 0 + 121 = 666.

It is not a de Polignac number, because 8045870121 - 2² = 8045870117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8045870111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2675101 + ... + 2678106.

It is an arithmetic number, because the mean of its divisors is an integer number (974283856).

Almost surely, 2^8045870121 is an apocalyptic number.

It is an amenable number.

8045870121 is a deficient number, since it is larger than the sum of its proper divisors (3645536151).

8045870121 is a wasteful number, since it uses less digits than its factorization.

8045870121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353380 (or 5353377 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 8045870121 is about 89698.7743561750. The cubic root of 8045870121 is about 2003.8152274751.

The spelling of 8045870121 in words is "eight billion, forty-five million, eight hundred seventy thousand, one hundred twenty-one".