1128127238 has 16 divisors (see below), whose sum is σ = 1945800960. Its totient is φ = 480515976.

The previous prime is 1128127211. The next prime is 1128127271. The reversal of 1128127238 is 8327218211.

It is a junction number, because it is equal to n+sod(n) for n = 1128127198 and 1128127207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244898 + ... + 249461.

It is an arithmetic number, because the mean of its divisors is an integer number (121612560).

Almost surely, 2^1128127238 is an apocalyptic number.

1128127238 is a deficient number, since it is larger than the sum of its proper divisors (817673722).

1128127238 is a wasteful number, since it uses less digits than its factorization.

1128127238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494531.

The product of its digits is 10752, while the sum is 35.

The square root of 1128127238 is about 33587.6054222387. The cubic root of 1128127238 is about 1041.0047113898.

The spelling of 1128127238 in words is "one billion, one hundred twenty-eight million, one hundred twenty-seven thousand, two hundred thirty-eight".