84210124 has 12 divisors (see below), whose sum is σ = 147480984. Its totient is φ = 42072704.

The previous prime is 84210121. The next prime is 84210127. The reversal of 84210124 is 42101248.

It is an interprime number because it is at equal distance from previous prime (84210121) and next prime (84210127).

It is a junction number, because it is equal to n+sod(n) for n = 84210095 and 84210104.

It is not an unprimeable number, because it can be changed into a prime (84210121) 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, 1669 + ... + 13084.

It is an arithmetic number, because the mean of its divisors is an integer number (12290082).

Almost surely, 2^84210124 is an apocalyptic number.

It is an amenable number.

84210124 is a deficient number, since it is larger than the sum of its proper divisors (63270860).

84210124 is a wasteful number, since it uses less digits than its factorization.

84210124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16184 (or 16182 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 84210124 is about 9176.6074341229. The cubic root of 84210124 is about 438.3167853472.

The spelling of 84210124 in words is "eighty-four million, two hundred ten thousand, one hundred twenty-four".