71298122 has 16 divisors (see below), whose sum is σ = 123437952. Its totient is φ = 30253200.

The previous prime is 71298121. The next prime is 71298179. The reversal of 71298122 is 22189217.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71298121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23798 + ... + 26625.

It is an arithmetic number, because the mean of its divisors is an integer number (7714872).

Almost surely, 2^71298122 is an apocalyptic number.

71298122 is a deficient number, since it is larger than the sum of its proper divisors (52139830).

71298122 is a wasteful number, since it uses less digits than its factorization.

71298122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50533.

The product of its digits is 4032, while the sum is 32.

The square root of 71298122 is about 8443.8215281944. The cubic root of 71298122 is about 414.6605285028.

It can be divided in two parts, 7129 and 8122, that added together give a palindrome (15251).

The spelling of 71298122 in words is "seventy-one million, two hundred ninety-eight thousand, one hundred twenty-two".