42084102 has 16 divisors (see below), whose sum is σ = 84440880. Its totient is φ = 13982592.

The previous prime is 42084079. The next prime is 42084103. The reversal of 42084102 is 20148024.

It is a super-2 number, since 2×42084102² = 3542143282292808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42084103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9327 + ... + 13082.

It is an arithmetic number, because the mean of its divisors is an integer number (5277555).

Almost surely, 2^42084102 is an apocalyptic number.

42084102 is an abundant number, since it is smaller than the sum of its proper divisors (42356778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42084102 is a wasteful number, since it uses less digits than its factorization.

42084102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22727.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 42084102 is about 6487.2260635806. The cubic root of 42084102 is about 347.8345262975.

The spelling of 42084102 in words is "forty-two million, eighty-four thousand, one hundred two".