1199129317 has 8 divisors (see below), whose sum is σ = 1216884416. Its totient is φ = 1181410272.

The previous prime is 1199129299. The next prime is 1199129333. The reversal of 1199129317 is 7139219911.

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

It is a cyclic number.

It is not a de Polignac number, because 1199129317 - 2²³ = 1190740709 is a prime.

It is a super-3 number, since 3×1199129317³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199129117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62098 + ... + 79084.

It is an arithmetic number, because the mean of its divisors is an integer number (152110552).

Almost surely, 2^1199129317 is an apocalyptic number.

It is an amenable number.

1199129317 is a deficient number, since it is larger than the sum of its proper divisors (17755099).

1199129317 is an equidigital number, since it uses as much as digits as its factorization.

1199129317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18027.

The product of its digits is 30618, while the sum is 43.

The square root of 1199129317 is about 34628.4466443414. The cubic root of 1199129317 is about 1062.4014962337.

The spelling of 1199129317 in words is "one billion, one hundred ninety-nine million, one hundred twenty-nine thousand, three hundred seventeen".