99124511 has 4 divisors (see below), whose sum is σ = 101542224. Its totient is φ = 96706800.

The previous prime is 99124507. The next prime is 99124513. The reversal of 99124511 is 11542199.

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

It is a cyclic number.

It is not a de Polignac number, because 99124511 - 2² = 99124507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99124513) 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, 1208795 + ... + 1208876.

It is an arithmetic number, because the mean of its divisors is an integer number (25385556).

Almost surely, 2^99124511 is an apocalyptic number.

99124511 is a deficient number, since it is larger than the sum of its proper divisors (2417713).

99124511 is a wasteful number, since it uses less digits than its factorization.

99124511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417712.

The product of its digits is 3240, while the sum is 32.

The square root of 99124511 is about 9956.1293181638. The cubic root of 99124511 is about 462.8003577111.

The spelling of 99124511 in words is "ninety-nine million, one hundred twenty-four thousand, five hundred eleven".