99124772 has 12 divisors (see below), whose sum is σ = 174195840. Its totient is φ = 49354536.

The previous prime is 99124769. The next prime is 99124777. The reversal of 99124772 is 27742199.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (99124777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50888 + ... + 52799.

It is an arithmetic number, because the mean of its divisors is an integer number (14516320).

Almost surely, 2^99124772 is an apocalyptic number.

It is an amenable number.

99124772 is a deficient number, since it is larger than the sum of its proper divisors (75071068).

99124772 is a wasteful number, since it uses less digits than its factorization.

99124772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103930 (or 103928 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 99124772 is about 9956.1424256586. The cubic root of 99124772 is about 462.8007639032.

The spelling of 99124772 in words is "ninety-nine million, one hundred twenty-four thousand, seven hundred seventy-two".