85122041 has 4 divisors (see below), whose sum is σ = 85142400. Its totient is φ = 85101684.

The previous prime is 85122019. The next prime is 85122053. The reversal of 85122041 is 14022158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14022158 = 2 ⋅7011079.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85122041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85121998 and 85122016.

It is not an unprimeable number, because it can be changed into a prime (85122341) 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, 1361 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (21285600).

Almost surely, 2^85122041 is an apocalyptic number.

It is an amenable number.

85122041 is a deficient number, since it is larger than the sum of its proper divisors (20359).

85122041 is a wasteful number, since it uses less digits than its factorization.

85122041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20358.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 85122041 is about 9226.1606857891. The cubic root of 85122041 is about 439.8932954061.

Adding to 85122041 its reverse (14022158), we get a palindrome (99144199).

The spelling of 85122041 in words is "eighty-five million, one hundred twenty-two thousand, forty-one".