99124873 has 4 divisors (see below), whose sum is σ = 99209988. Its totient is φ = 99039760.

The previous prime is 99124867. The next prime is 99124877. The reversal of 99124873 is 37842199.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86713344 + 12411529 = 9312^2 + 3523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99124873 is a prime.

It is a super-2 number, since 2×99124873² = 19651480894532258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99124877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40786 + ... + 43147.

It is an arithmetic number, because the mean of its divisors is an integer number (24802497).

Almost surely, 2^99124873 is an apocalyptic number.

It is an amenable number.

99124873 is a deficient number, since it is larger than the sum of its proper divisors (85115).

99124873 is a wasteful number, since it uses less digits than its factorization.

99124873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85114.

The product of its digits is 108864, while the sum is 43.

The square root of 99124873 is about 9956.1474979030. The cubic root of 99124873 is about 462.8009210885.

The spelling of 99124873 in words is "ninety-nine million, one hundred twenty-four thousand, eight hundred seventy-three".