7121065051 has 4 divisors (see below), whose sum is σ = 7227349672. Its totient is φ = 7014780432.

The previous prime is 7121065019. The next prime is 7121065069. The reversal of 7121065051 is 1505601217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1505601217 = 7451 ⋅202067.

It is a cyclic number.

It is not a de Polignac number, because 7121065051 - 2⁵ = 7121065019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7121068051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53142210 + ... + 53142343.

It is an arithmetic number, because the mean of its divisors is an integer number (1806837418).

Almost surely, 2^7121065051 is an apocalyptic number.

7121065051 is a deficient number, since it is larger than the sum of its proper divisors (106284621).

7121065051 is a wasteful number, since it uses less digits than its factorization.

7121065051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106284620.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 7121065051 is about 84386.4032353554. The cubic root of 7121065051 is about 1923.8962628467.

Adding to 7121065051 its reverse (1505601217), we get a palindrome (8626666268).

The spelling of 7121065051 in words is "seven billion, one hundred twenty-one million, sixty-five thousand, fifty-one".