99124641 has 80 divisors (see below), whose sum is σ = 192918528. Its totient is φ = 49183200.

The previous prime is 99124633. The next prime is 99124657. The reversal of 99124641 is 14642199.

It is a happy number.

99124641 is a `hidden beast` number, since 9 + 9 + 1 + 2 + 4 + 641 = 666.

It is not a de Polignac number, because 99124641 - 2³ = 99124633 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99124596 and 99124605.

It is not an unprimeable number, because it can be changed into a prime (99124241) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 143106 + ... + 143796.

Almost surely, 2^99124641 is an apocalyptic number.

It is an amenable number.

99124641 is a deficient number, since it is larger than the sum of its proper divisors (93793887).

99124641 is a wasteful number, since it uses less digits than its factorization.

99124641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 735 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 99124641 is about 9956.1358468032. The cubic root of 99124641 is about 462.8005600291.

The spelling of 99124641 in words is "ninety-nine million, one hundred twenty-four thousand, six hundred forty-one".