1124448889 has 4 divisors (see below), whose sum is σ = 1125478756. Its totient is φ = 1123419024.

The previous prime is 1124448869. The next prime is 1124448911. The reversal of 1124448889 is 9888444211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 720117225 + 404331664 = 26835^2 + 20108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124448889 - 2⁷ = 1124448761 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 (1124448869) 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, 513294 + ... + 515479.

It is an arithmetic number, because the mean of its divisors is an integer number (281369689).

Almost surely, 2^1124448889 is an apocalyptic number.

It is an amenable number.

1124448889 is a deficient number, since it is larger than the sum of its proper divisors (1029867).

1124448889 is a wasteful number, since it uses less digits than its factorization.

1124448889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029866.

The product of its digits is 589824, while the sum is 49.

The square root of 1124448889 is about 33532.8031783804. The cubic root of 1124448889 is about 1039.8720531085.

The spelling of 1124448889 in words is "one billion, one hundred twenty-four million, four hundred forty-eight thousand, eight hundred eighty-nine".