124248899 has 4 divisors (see below), whose sum is σ = 128256960. Its totient is φ = 120240840.

The previous prime is 124248857. The next prime is 124248913. The reversal of 124248899 is 998842421.

It is a happy number.

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 124248899 - 2¹² = 124244803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124245899) 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, 2003984 + ... + 2004045.

It is an arithmetic number, because the mean of its divisors is an integer number (32064240).

Almost surely, 2^124248899 is an apocalyptic number.

124248899 is a deficient number, since it is larger than the sum of its proper divisors (4008061).

124248899 is an equidigital number, since it uses as much as digits as its factorization.

124248899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008060.

The product of its digits is 331776, while the sum is 47.

The square root of 124248899 is about 11146.6990180950. The cubic root of 124248899 is about 498.9965194007.

The spelling of 124248899 in words is "one hundred twenty-four million, two hundred forty-eight thousand, eight hundred ninety-nine".