869012041 has 4 divisors (see below), whose sum is σ = 869075092. Its totient is φ = 868948992.

The previous prime is 869012017. The next prime is 869012047. The reversal of 869012041 is 140210968.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 212576400 + 656435641 = 14580^2 + 25621^2 .

It is a cyclic number.

It is not a de Polignac number, because 869012041 - 2¹⁵ = 868979273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 869011994 and 869012012.

It is not an unprimeable number, because it can be changed into a prime (869012047) 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 in 3 ways as a sum of consecutive naturals, for example, 996 + ... + 41701.

It is an arithmetic number, because the mean of its divisors is an integer number (217268773).

Almost surely, 2^869012041 is an apocalyptic number.

It is an amenable number.

869012041 is a deficient number, since it is larger than the sum of its proper divisors (63051).

869012041 is a wasteful number, since it uses less digits than its factorization.

869012041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63050.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 869012041 is about 29479.0101767342. The cubic root of 869012041 is about 954.2787756563.

The spelling of 869012041 in words is "eight hundred sixty-nine million, twelve thousand, forty-one".