71127041 has 2 divisors, whose sum is σ = 71127042. Its totient is φ = 71127040.

The previous prime is 71126983. The next prime is 71127071. The reversal of 71127041 is 14072117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65674816 + 5452225 = 8104^2 + 2335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71127041 is a prime.

It is a super-2 number, since 2×71127041² = 10118111922831362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71126998 and 71127016.

It is not a weakly prime, because it can be changed into another prime (71127071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35563520 + 35563521.

It is an arithmetic number, because the mean of its divisors is an integer number (35563521).

Almost surely, 2^71127041 is an apocalyptic number.

It is an amenable number.

71127041 is a deficient number, since it is larger than the sum of its proper divisors (1).

71127041 is an equidigital number, since it uses as much as digits as its factorization.

71127041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 71127041 is about 8433.6849004454. The cubic root of 71127041 is about 414.3286013186.

Adding to 71127041 its reverse (14072117), we get a palindrome (85199158).

The spelling of 71127041 in words is "seventy-one million, one hundred twenty-seven thousand, forty-one".