1128998300 has 36 divisors (see below), whose sum is σ = 2528963136. Its totient is φ = 437030400.

The previous prime is 1128998291. The next prime is 1128998329. The reversal of 1128998300 is 38998211.

It is a super-2 number, since 2×1128998300² = 2549274322805780000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178997 + ... + 185196.

It is an arithmetic number, because the mean of its divisors is an integer number (70248976).

Almost surely, 2^1128998300 is an apocalyptic number.

1128998300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128998300 is an abundant number, since it is smaller than the sum of its proper divisors (1399964836).

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

1128998300 is a wasteful number, since it uses less digits than its factorization.

1128998300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364238 (or 364231 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 1128998300 is about 33600.5699356425. The cubic root of 1128998300 is about 1041.2725731259.

The spelling of 1128998300 in words is "one billion, one hundred twenty-eight million, nine hundred ninety-eight thousand, three hundred".