71040127 has 16 divisors (see below), whose sum is σ = 78216192. Its totient is φ = 64229760.

The previous prime is 71040119. The next prime is 71040131. The reversal of 71040127 is 72104017.

It is a cyclic number.

It is not a de Polignac number, because 71040127 - 2³ = 71040119 is a prime.

It is a super-2 number, since 2×71040127² = 10093399288352258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71040098 and 71040107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71040187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85488 + ... + 86314.

It is an arithmetic number, because the mean of its divisors is an integer number (4888512).

Almost surely, 2^71040127 is an apocalyptic number.

71040127 is a deficient number, since it is larger than the sum of its proper divisors (7176065).

71040127 is a wasteful number, since it uses less digits than its factorization.

71040127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 71040127 is about 8428.5305362204. The cubic root of 71040127 is about 414.1597689804.

The spelling of 71040127 in words is "seventy-one million, forty thousand, one hundred twenty-seven".