84542103 has 32 divisors (see below), whose sum is σ = 129292800. Its totient is φ = 54571968.

The previous prime is 84542099. The next prime is 84542111. The reversal of 84542103 is 30124548.

It is not a de Polignac number, because 84542103 - 2² = 84542099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84542203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115926 + ... + 116652.

It is an arithmetic number, because the mean of its divisors is an integer number (4040400).

Almost surely, 2^84542103 is an apocalyptic number.

84542103 is a deficient number, since it is larger than the sum of its proper divisors (44750697).

84542103 is a wasteful number, since it uses less digits than its factorization.

84542103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 84542103 is about 9194.6779715224. The cubic root of 84542103 is about 438.8920177265.

The spelling of 84542103 in words is "eighty-four million, five hundred forty-two thousand, one hundred three".