8077121 has 4 divisors (see below), whose sum is σ = 8698452. Its totient is φ = 7455792.

The previous prime is 8077079. The next prime is 8077129. The reversal of 8077121 is 1217708.

8077121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 846400 + 7230721 = 920^2 + 2689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8077121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8077129) 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, 310646 + ... + 310671.

It is an arithmetic number, because the mean of its divisors is an integer number (2174613).

Almost surely, 2^8077121 is an apocalyptic number.

It is an amenable number.

8077121 is a deficient number, since it is larger than the sum of its proper divisors (621331).

8077121 is a wasteful number, since it uses less digits than its factorization.

8077121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621330.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 8077121 is about 2842.0276212592. The cubic root of 8077121 is about 200.6406208338.

The spelling of 8077121 in words is "eight million, seventy-seven thousand, one hundred twenty-one".