71122869 has 12 divisors (see below), whose sum is σ = 102866400. Its totient is φ = 47353704.

The previous prime is 71122867. The next prime is 71122879. The reversal of 71122869 is 96822117.

It is not a de Polignac number, because 71122869 - 2¹ = 71122867 is a prime.

It is a super-2 number, since 2×71122869² = 10116924989582322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71122867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2842 + ... + 12260.

It is an arithmetic number, because the mean of its divisors is an integer number (8572200).

Almost surely, 2^71122869 is an apocalyptic number.

It is an amenable number.

71122869 is a deficient number, since it is larger than the sum of its proper divisors (31743531).

71122869 is a wasteful number, since it uses less digits than its factorization.

71122869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10264 (or 10261 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 71122869 is about 8433.4375553507. The cubic root of 71122869 is about 414.3205002612.

The spelling of 71122869 in words is "seventy-one million, one hundred twenty-two thousand, eight hundred sixty-nine".