84171122 has 48 divisors (see below), whose sum is σ = 155131200. Its totient is φ = 34084512.

The previous prime is 84171119. The next prime is 84171133. The reversal of 84171122 is 22117148.

It is a junction number, because it is equal to n+sod(n) for n = 84171091 and 84171100.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 241004 + ... + 241352.

It is an arithmetic number, because the mean of its divisors is an integer number (3231900).

Almost surely, 2^84171122 is an apocalyptic number.

84171122 is a deficient number, since it is larger than the sum of its proper divisors (70960078).

84171122 is a wasteful number, since it uses less digits than its factorization.

84171122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 488 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 84171122 is about 9174.4821107243. The cubic root of 84171122 is about 438.2491059505.

The spelling of 84171122 in words is "eighty-four million, one hundred seventy-one thousand, one hundred twenty-two".