1128786330 has 32 divisors (see below), whose sum is σ = 3096100224. Its totient is φ = 258008256.

The previous prime is 1128786317. The next prime is 1128786367. The reversal of 1128786330 is 336878211.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2687377 + ... + 2687796.

It is an arithmetic number, because the mean of its divisors is an integer number (96753132).

Almost surely, 2^1128786330 is an apocalyptic number.

1128786330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128786330 is an abundant number, since it is smaller than the sum of its proper divisors (1967313894).

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

1128786330 is a wasteful number, since it uses less digits than its factorization.

1128786330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375190.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1128786330 is about 33597.4155256026. The cubic root of 1128786330 is about 1041.2074025636.

The spelling of 1128786330 in words is "one billion, one hundred twenty-eight million, seven hundred eighty-six thousand, three hundred thirty".