84162129 has 16 divisors (see below), whose sum is σ = 118001664. Its totient is φ = 53253200.

The previous prime is 84162059. The next prime is 84162139. The reversal of 84162129 is 92126148.

It is a cyclic number.

It is not a de Polignac number, because 84162129 - 2⁹ = 84161617 is a prime.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 84162129.

It is not an unprimeable number, because it can be changed into a prime (84162139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4384 + ... + 13694.

It is an arithmetic number, because the mean of its divisors is an integer number (7375104).

Almost surely, 2^84162129 is an apocalyptic number.

It is an amenable number.

84162129 is a deficient number, since it is larger than the sum of its proper divisors (33839535).

84162129 is a wasteful number, since it uses less digits than its factorization.

84162129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468.

The product of its digits is 6912, while the sum is 33.

The square root of 84162129 is about 9173.9919882241. The cubic root of 84162129 is about 438.2334976100.

The spelling of 84162129 in words is "eighty-four million, one hundred sixty-two thousand, one hundred twenty-nine".