84240124 has 12 divisors (see below), whose sum is σ = 147508144. Its totient is φ = 42094944.

The previous prime is 84240109. The next prime is 84240127. The reversal of 84240124 is 42104248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84240127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2689 + ... + 13255.

Almost surely, 2^84240124 is an apocalyptic number.

It is an amenable number.

84240124 is a deficient number, since it is larger than the sum of its proper divisors (63268020).

84240124 is a wasteful number, since it uses less digits than its factorization.

84240124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12564 (or 12562 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 84240124 is about 9178.2418795758. The cubic root of 84240124 is about 438.3688295343.

The spelling of 84240124 in words is "eighty-four million, two hundred forty thousand, one hundred twenty-four".