71127201 has 16 divisors (see below), whose sum is σ = 104782464. Its totient is φ = 42687744.

The previous prime is 71127197. The next prime is 71127233. The reversal of 71127201 is 10272117.

It is a happy number.

It is not a de Polignac number, because 71127201 - 2² = 71127197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71127271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29146 + ... + 31491.

It is an arithmetic number, because the mean of its divisors is an integer number (6548904).

Almost surely, 2^71127201 is an apocalyptic number.

It is an amenable number.

71127201 is a deficient number, since it is larger than the sum of its proper divisors (33655263).

71127201 is a wasteful number, since it uses less digits than its factorization.

71127201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60680.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 71127201 is about 8433.6943862106. The cubic root of 71127201 is about 414.3289119952.

Adding to 71127201 its reverse (10272117), we get a palindrome (81399318).

The spelling of 71127201 in words is "seventy-one million, one hundred twenty-seven thousand, two hundred one".