1129217393 has 8 divisors (see below), whose sum is σ = 1160282880. Its totient is φ = 1098180720.

The previous prime is 1129217387. The next prime is 1129217413. The reversal of 1129217393 is 3937129211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1129217393 - 2²² = 1125023089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1129217693) 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 7 ways as a sum of consecutive naturals, for example, 89978 + ... + 101756.

It is an arithmetic number, because the mean of its divisors is an integer number (145035360).

Almost surely, 2^1129217393 is an apocalyptic number.

It is an amenable number.

1129217393 is a deficient number, since it is larger than the sum of its proper divisors (31065487).

1129217393 is a wasteful number, since it uses less digits than its factorization.

1129217393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14407.

The product of its digits is 20412, while the sum is 38.

The square root of 1129217393 is about 33603.8300346850. The cubic root of 1129217393 is about 1041.3399250951.

The spelling of 1129217393 in words is "one billion, one hundred twenty-nine million, two hundred seventeen thousand, three hundred ninety-three".