1124678889 has 12 divisors (see below), whose sum is σ = 1662316656. Its totient is φ = 732348792.

The previous prime is 1124678881. The next prime is 1124678903. The reversal of 1124678889 is 9888764211.

It is not a de Polignac number, because 1124678889 - 2³ = 1124678881 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1124678881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1452687 + ... + 1453460.

It is an arithmetic number, because the mean of its divisors is an integer number (138526388).

Almost surely, 2^1124678889 is an apocalyptic number.

It is an amenable number.

1124678889 is a deficient number, since it is larger than the sum of its proper divisors (537637767).

1124678889 is a wasteful number, since it uses less digits than its factorization.

1124678889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906196 (or 2906193 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 54.

The square root of 1124678889 is about 33536.2324807066. The cubic root of 1124678889 is about 1039.9429483620.

The spelling of 1124678889 in words is "one billion, one hundred twenty-four million, six hundred seventy-eight thousand, eight hundred eighty-nine".