1128861358 has 8 divisors (see below), whose sum is σ = 1693436328. Its totient is φ = 564382584.

The previous prime is 1128861329. The next prime is 1128861361. The reversal of 1128861358 is 8531688211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26760 + ... + 54532.

It is an arithmetic number, because the mean of its divisors is an integer number (211679541).

Almost surely, 2^1128861358 is an apocalyptic number.

1128861358 is a deficient number, since it is larger than the sum of its proper divisors (564574970).

1128861358 is a wasteful number, since it uses less digits than its factorization.

1128861358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48098.

The product of its digits is 92160, while the sum is 43.

The square root of 1128861358 is about 33598.5320810300. The cubic root of 1128861358 is about 1041.2304709915.

It can be divided in two parts, 112886 and 1358, that added together give a square (114244 = 338²).

The spelling of 1128861358 in words is "one billion, one hundred twenty-eight million, eight hundred sixty-one thousand, three hundred fifty-eight".