71241201 has 20 divisors (see below), whose sum is σ = 107411700. Its totient is φ = 47052576.

The previous prime is 71241161. The next prime is 71241223. The reversal of 71241201 is 10214217.

It can be written as a sum of positive squares in 2 ways, for example, as 17438976 + 53802225 = 4176^2 + 7335^2 .

It is not a de Polignac number, because 71241201 - 2¹¹ = 71239153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71243201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4795 + ... + 12863.

It is an arithmetic number, because the mean of its divisors is an integer number (5370585).

Almost surely, 2^71241201 is an apocalyptic number.

It is an amenable number.

71241201 is a deficient number, since it is larger than the sum of its proper divisors (36170499).

71241201 is a wasteful number, since it uses less digits than its factorization.

71241201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190 (or 8181 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 71241201 is about 8440.4502841969. The cubic root of 71241201 is about 414.5501507668.

Adding to 71241201 its reverse (10214217), we get a palindrome (81455418).

The spelling of 71241201 in words is "seventy-one million, two hundred forty-one thousand, two hundred one".