1129052898 has 32 divisors (see below), whose sum is σ = 2519990400. Its totient is φ = 374703408.

The previous prime is 1129052893. The next prime is 1129052917. The reversal of 1129052898 is 8982509211.

1129052898 is a `hidden beast` number, since 11 + 29 + 0 + 528 + 98 = 666.

It is not an unprimeable number, because it can be changed into a prime (1129052893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33286 + ... + 58017.

It is an arithmetic number, because the mean of its divisors is an integer number (78749700).

Almost surely, 2^1129052898 is an apocalyptic number.

1129052898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1129052898 is an abundant number, since it is smaller than the sum of its proper divisors (1390937502).

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

1129052898 is a wasteful number, since it uses less digits than its factorization.

1129052898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91543 (or 91537 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 1129052898 is about 33601.3823822771. The cubic root of 1129052898 is about 1041.2893580592.

The spelling of 1129052898 in words is "one billion, one hundred twenty-nine million, fifty-two thousand, eight hundred ninety-eight".