85124001 has 16 divisors (see below), whose sum is σ = 115592960. Its totient is φ = 55710720.

The previous prime is 85123993. The next prime is 85124021. The reversal of 85124001 is 10042158.

It is not a de Polignac number, because 85124001 - 2³ = 85123993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85124021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44811 + ... + 46671.

It is an arithmetic number, because the mean of its divisors is an integer number (7224560).

Almost surely, 2^85124001 is an apocalyptic number.

It is an amenable number.

85124001 is a deficient number, since it is larger than the sum of its proper divisors (30468959).

85124001 is a wasteful number, since it uses less digits than its factorization.

85124001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 85124001 is about 9226.2669048754. The cubic root of 85124001 is about 439.8966716732.

Adding to 85124001 its reverse (10042158), we get a palindrome (95166159).

The spelling of 85124001 in words is "eighty-five million, one hundred twenty-four thousand, one".