84109124 has 24 divisors (see below), whose sum is σ = 169024800. Its totient is φ = 36218880.

The previous prime is 84109121. The next prime is 84109127. The reversal of 84109124 is 42190148.

It is an interprime number because it is at equal distance from previous prime (84109121) and next prime (84109127).

It is not an unprimeable number, because it can be changed into a prime (84109121) 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 7 ways as a sum of consecutive naturals, for example, 49469 + ... + 51140.

It is an arithmetic number, because the mean of its divisors is an integer number (7042700).

Almost surely, 2^84109124 is an apocalyptic number.

It is an amenable number.

84109124 is an abundant number, since it is smaller than the sum of its proper divisors (84915676).

84109124 is a wasteful number, since it uses less digits than its factorization.

84109124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100643 (or 100641 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 84109124 is about 9171.1026599859. The cubic root of 84109124 is about 438.1414790068.

The spelling of 84109124 in words is "eighty-four million, one hundred nine thousand, one hundred twenty-four".