984121172 has 12 divisors (see below), whose sum is σ = 1754706996. Its totient is φ = 482776320.

The previous prime is 984121157. The next prime is 984121213. The reversal of 984121172 is 271121489.

It can be written as a sum of positive squares in 2 ways, for example, as 286421776 + 697699396 = 16924^2 + 26414^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2320829 + ... + 2321252.

It is an arithmetic number, because the mean of its divisors is an integer number (146225583).

Almost surely, 2^984121172 is an apocalyptic number.

It is an amenable number.

984121172 is a deficient number, since it is larger than the sum of its proper divisors (770585824).

984121172 is a wasteful number, since it uses less digits than its factorization.

984121172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642138 (or 4642136 counting only the distinct ones).

The product of its digits is 8064, while the sum is 35.

The square root of 984121172 is about 31370.7056343972. The cubic root of 984121172 is about 994.6787923058.

It can be divided in two parts, 9841 and 21172, that added together give a palindrome (31013).

The spelling of 984121172 in words is "nine hundred eighty-four million, one hundred twenty-one thousand, one hundred seventy-two".