1128301290 has 48 divisors (see below), whose sum is σ = 2936527776. Its totient is φ = 300578400.

The previous prime is 1128301283. The next prime is 1128301337. The reversal of 1128301290 is 921038211.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92445 + ... + 103935.

It is an arithmetic number, because the mean of its divisors is an integer number (61177662).

Almost surely, 2^1128301290 is an apocalyptic number.

1128301290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128301290 is an abundant number, since it is smaller than the sum of its proper divisors (1808226486).

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

1128301290 is a wasteful number, since it uses less digits than its factorization.

1128301290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595 (or 12592 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1128301290 is about 33590.1963376221. The cubic root of 1128301290 is about 1041.0582454323.

The spelling of 1128301290 in words is "one billion, one hundred twenty-eight million, three hundred one thousand, two hundred ninety".