1128117738 has 16 divisors (see below), whose sum is σ = 2461347936. Its totient is φ = 341853840.

The previous prime is 1128117737. The next prime is 1128117751. The reversal of 1128117738 is 8377118211.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1128117696 and 1128117705.

It is not an unprimeable number, because it can be changed into a prime (1128117737) 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, 8546281 + ... + 8546412.

It is an arithmetic number, because the mean of its divisors is an integer number (153834246).

Almost surely, 2^1128117738 is an apocalyptic number.

1128117738 is an abundant number, since it is smaller than the sum of its proper divisors (1333230198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1128117738 is a wasteful number, since it uses less digits than its factorization.

1128117738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092709.

The product of its digits is 18816, while the sum is 39.

The square root of 1128117738 is about 33587.4640007250. The cubic root of 1128117738 is about 1041.0017892689.

The spelling of 1128117738 in words is "one billion, one hundred twenty-eight million, one hundred seventeen thousand, seven hundred thirty-eight".