84105127 has 4 divisors (see below), whose sum is σ = 84128296. Its totient is φ = 84081960.

The previous prime is 84105113. The next prime is 84105143. The reversal of 84105127 is 72150148.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84105127 - 2²³ = 75716519 is a prime.

It is a super-2 number, since 2×84105127² = 14147344775372258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84105095 and 84105104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84100127) 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, 4824 + ... + 13837.

It is an arithmetic number, because the mean of its divisors is an integer number (21032074).

Almost surely, 2^84105127 is an apocalyptic number.

84105127 is a deficient number, since it is larger than the sum of its proper divisors (23169).

84105127 is a wasteful number, since it uses less digits than its factorization.

84105127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23168.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 84105127 is about 9170.8847446689. The cubic root of 84105127 is about 438.1345385024.

The spelling of 84105127 in words is "eighty-four million, one hundred five thousand, one hundred twenty-seven".