124446889 has 4 divisors (see below), whose sum is σ = 142225024. Its totient is φ = 106668756.

The previous prime is 124446887. The next prime is 124446899. The reversal of 124446889 is 988644421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124446889 - 2¹ = 124446887 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (124446887) 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, 8889057 + ... + 8889070.

It is an arithmetic number, because the mean of its divisors is an integer number (35556256).

Almost surely, 2^124446889 is an apocalyptic number.

It is an amenable number.

124446889 is a deficient number, since it is larger than the sum of its proper divisors (17778135).

124446889 is an equidigital number, since it uses as much as digits as its factorization.

124446889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778134.

The product of its digits is 442368, while the sum is 46.

The square root of 124446889 is about 11155.5765875189. The cubic root of 124446889 is about 499.2614282273.

The spelling of 124446889 in words is "one hundred twenty-four million, four hundred forty-six thousand, eight hundred eighty-nine".