1129717100 has 18 divisors (see below), whose sum is σ = 2451486324. Its totient is φ = 451886800.

The previous prime is 1129717087. The next prime is 1129717109. The reversal of 1129717100 is 17179211.

It is not an unprimeable number, because it can be changed into a prime (1129717109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5648486 + ... + 5648685.

Almost surely, 2^1129717100 is an apocalyptic number.

1129717100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129717100 is an abundant number, since it is smaller than the sum of its proper divisors (1321769224).

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

1129717100 is a wasteful number, since it uses less digits than its factorization.

1129717100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11297185 (or 11297178 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 29.

The square root of 1129717100 is about 33611.2644808255. The cubic root of 1129717100 is about 1041.4935087817.

The spelling of 1129717100 in words is "one billion, one hundred twenty-nine million, seven hundred seventeen thousand, one hundred".