1128824138 has 16 divisors (see below), whose sum is σ = 1824469920. Its totient is φ = 520714416.

The previous prime is 1128824131. The next prime is 1128824189. The reversal of 1128824138 is 8314288211.

It is not an unprimeable number, because it can be changed into a prime (1128824131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41993 + ... + 63411.

It is an arithmetic number, because the mean of its divisors is an integer number (114029370).

Almost surely, 2^1128824138 is an apocalyptic number.

1128824138 is a deficient number, since it is larger than the sum of its proper divisors (695645782).

1128824138 is a wasteful number, since it uses less digits than its factorization.

1128824138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23461.

The product of its digits is 24576, while the sum is 38.

The square root of 1128824138 is about 33597.9781832181. The cubic root of 1128824138 is about 1041.2190272998.

The spelling of 1128824138 in words is "one billion, one hundred twenty-eight million, eight hundred twenty-four thousand, one hundred thirty-eight".