71114121 has 12 divisors (see below), whose sum is σ = 110622148. Its totient is φ = 43762464.

The previous prime is 71114117. The next prime is 71114123. The reversal of 71114121 is 12141117.

It can be written as a sum of positive squares in 2 ways, for example, as 30969225 + 40144896 = 5565^2 + 6336^2 .

It is not a de Polignac number, because 71114121 - 2² = 71114117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71114094 and 71114103.

It is not an unprimeable number, because it can be changed into a prime (71114123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303790 + ... + 304023.

Almost surely, 2^71114121 is an apocalyptic number.

It is an amenable number.

71114121 is a deficient number, since it is larger than the sum of its proper divisors (39508027).

71114121 is a wasteful number, since it uses less digits than its factorization.

71114121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607832 (or 607829 counting only the distinct ones).

The product of its digits is 56, while the sum is 18.

The square root of 71114121 is about 8432.9188896846. The cubic root of 71114121 is about 414.3035126434.

Adding to 71114121 its reverse (12141117), we get a palindrome (83255238).

The spelling of 71114121 in words is "seventy-one million, one hundred fourteen thousand, one hundred twenty-one".