9960124581 has 24 divisors (see below), whose sum is σ = 16276032864. Its totient is φ = 6036437520.

The previous prime is 9960124579. The next prime is 9960124619. The reversal of 9960124581 is 1854210699.

9960124581 is a `hidden beast` number, since 9 + 9 + 60 + 1 + 2 + 4 + 581 = 666.

It is not a de Polignac number, because 9960124581 - 2¹ = 9960124579 is a prime.

It is a super-2 number, since 2×9960124581² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9960124541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1860426 + ... + 1865771.

It is an arithmetic number, because the mean of its divisors is an integer number (678168036).

Almost surely, 2^9960124581 is an apocalyptic number.

It is an amenable number.

9960124581 is a deficient number, since it is larger than the sum of its proper divisors (6315908283).

9960124581 is a wasteful number, since it uses less digits than its factorization.

9960124581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726223 (or 3726211 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 9960124581 is about 99800.4237516054. The cubic root of 9960124581 is about 2151.5672424262.

The spelling of 9960124581 in words is "nine billion, nine hundred sixty million, one hundred twenty-four thousand, five hundred eighty-one".