85124834 has 4 divisors (see below), whose sum is σ = 127687254. Its totient is φ = 42562416.

The previous prime is 85124833. The next prime is 85124839. The reversal of 85124834 is 43842158.

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

It can be written as a sum of positive squares in only one way, i.e., 80910025 + 4214809 = 8995^2 + 2053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85124794 and 85124803.

It is not an unprimeable number, because it can be changed into a prime (85124833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21281207 + ... + 21281210.

Almost surely, 2^85124834 is an apocalyptic number.

85124834 is a deficient number, since it is larger than the sum of its proper divisors (42562420).

85124834 is a wasteful number, since it uses less digits than its factorization.

85124834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42562419.

The product of its digits is 30720, while the sum is 35.

The square root of 85124834 is about 9226.3120476169. The cubic root of 85124834 is about 439.8981065710.

It can be divided in two parts, 85124 and 834, that added together give a palindrome (85958).

The spelling of 85124834 in words is "eighty-five million, one hundred twenty-four thousand, eight hundred thirty-four".