124989927 has 4 divisors (see below), whose sum is σ = 166653240. Its totient is φ = 83326616.

The previous prime is 124989883. The next prime is 124989937. The reversal of 124989927 is 729989421.

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 124989927 - 2¹¹ = 124987879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124989927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124989937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20831652 + ... + 20831657.

It is an arithmetic number, because the mean of its divisors is an integer number (41663310).

Almost surely, 2^124989927 is an apocalyptic number.

124989927 is a deficient number, since it is larger than the sum of its proper divisors (41663313).

124989927 is an equidigital number, since it uses as much as digits as its factorization.

124989927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41663312.

The product of its digits is 653184, while the sum is 51.

The square root of 124989927 is about 11179.8894001685. The cubic root of 124989927 is about 499.9865689726.

The spelling of 124989927 in words is "one hundred twenty-four million, nine hundred eighty-nine thousand, nine hundred twenty-seven".