71130601 has 4 divisors (see below), whose sum is σ = 75314772. Its totient is φ = 66946432.

The previous prime is 71130551. The next prime is 71130671. The reversal of 71130601 is 10603117.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10603117 = 7 ⋅1514731.

It can be written as a sum of positive squares in 2 ways, for example, as 31629376 + 39501225 = 5624^2 + 6285^2 .

It is a cyclic number.

It is not a de Polignac number, because 71130601 - 2¹¹ = 71128553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71130671) 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, 2092060 + ... + 2092093.

It is an arithmetic number, because the mean of its divisors is an integer number (18828693).

Almost surely, 2^71130601 is an apocalyptic number.

It is an amenable number.

71130601 is a deficient number, since it is larger than the sum of its proper divisors (4184171).

71130601 is a wasteful number, since it uses less digits than its factorization.

71130601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184170.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 71130601 is about 8433.8959561996. The cubic root of 71130601 is about 414.3355137633.

Adding to 71130601 its reverse (10603117), we get a palindrome (81733718).

The spelling of 71130601 in words is "seventy-one million, one hundred thirty thousand, six hundred one".