99971050 has 48 divisors (see below), whose sum is σ = 198034200. Its totient is φ = 37416960.

The previous prime is 99971023. The next prime is 99971051. The reversal of 99971050 is 5017999.

99971050 = 1375² + 1376² + ... + 1425².

It can be written as a sum of positive squares in 12 ways, for example, as 15202201 + 84768849 = 3899^2 + 9207^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99970994 and 99971012.

It is not an unprimeable number, because it can be changed into a prime (99971051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286276 + ... + 286624.

Almost surely, 2^99971050 is an apocalyptic number.

99971050 is a deficient number, since it is larger than the sum of its proper divisors (98063150).

99971050 is a wasteful number, since it uses less digits than its factorization.

99971050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 40.

The square root of 99971050 is about 9998.5523952220. The cubic root of 99971050 is about 464.1140877060.

The spelling of 99971050 in words is "ninety-nine million, nine hundred seventy-one thousand, fifty".