1129717099 has 24 divisors (see below), whose sum is σ = 1395491328. Its totient is φ = 908732160.

The previous prime is 1129717087. The next prime is 1129717109. The reversal of 1129717099 is 9907179211.

It is not a de Polignac number, because 1129717099 - 2⁷ = 1129716971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1129717009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317269 + ... + 320809.

It is an arithmetic number, because the mean of its divisors is an integer number (58145472).

Almost surely, 2^1129717099 is an apocalyptic number.

1129717099 is a deficient number, since it is larger than the sum of its proper divisors (265774229).

1129717099 is a wasteful number, since it uses less digits than its factorization.

1129717099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955 (or 3948 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 46.

The square root of 1129717099 is about 33611.2644659495. The cubic root of 1129717099 is about 1041.4935084744.

The spelling of 1129717099 in words is "one billion, one hundred twenty-nine million, seven hundred seventeen thousand, ninety-nine".