84520101 has 16 divisors (see below), whose sum is σ = 118396800. Its totient is φ = 53528640.

The previous prime is 84520097. The next prime is 84520103. The reversal of 84520101 is 10102548.

It is not a de Polignac number, because 84520101 - 2² = 84520097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84520103) 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, 6171 + ... + 14391.

It is an arithmetic number, because the mean of its divisors is an integer number (7399800).

Almost surely, 2^84520101 is an apocalyptic number.

It is an amenable number.

84520101 is a deficient number, since it is larger than the sum of its proper divisors (33876699).

84520101 is a wasteful number, since it uses less digits than its factorization.

84520101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8396.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 84520101 is about 9193.4814406731. The cubic root of 84520101 is about 438.8539406830.

Adding to 84520101 its reverse (10102548), we get a palindrome (94622649).

The spelling of 84520101 in words is "eighty-four million, five hundred twenty thousand, one hundred one".