84040101 has 12 divisors (see below), whose sum is σ = 125307520. Its totient is φ = 54219240.

The previous prime is 84040079. The next prime is 84040109. The reversal of 84040101 is 10104048.

It is not a de Polignac number, because 84040101 - 2⁹ = 84039589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84040109) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 150331 + ... + 150888.

Almost surely, 2^84040101 is an apocalyptic number.

It is an amenable number.

84040101 is a deficient number, since it is larger than the sum of its proper divisors (41267419).

84040101 is a wasteful number, since it uses less digits than its factorization.

84040101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301256 (or 301253 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 84040101 is about 9167.3388177813. The cubic root of 84040101 is about 438.0215946068.

Adding to 84040101 its reverse (10104048), we get a palindrome (94144149).

The spelling of 84040101 in words is "eighty-four million, forty thousand, one hundred one".