985124161 has 8 divisors (see below), whose sum is σ = 1126218240. Its totient is φ = 844120608.

The previous prime is 985124159. The next prime is 985124191. The reversal of 985124161 is 161421589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 985124161 - 2¹ = 985124159 is a prime.

It is a super-2 number, since 2×985124161² = 1940939225171907842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 985124161.

It is not an unprimeable number, because it can be changed into a prime (985124111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565 + ... + 44461.

It is an arithmetic number, because the mean of its divisors is an integer number (140777280).

Almost surely, 2^985124161 is an apocalyptic number.

It is an amenable number.

985124161 is a deficient number, since it is larger than the sum of its proper divisors (141094079).

985124161 is a wasteful number, since it uses less digits than its factorization.

985124161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45263.

The product of its digits is 17280, while the sum is 37.

The square root of 985124161 is about 31386.6876398259. The cubic root of 985124161 is about 995.0165939170.

The spelling of 985124161 in words is "nine hundred eighty-five million, one hundred twenty-four thousand, one hundred sixty-one".