1317790129 has 8 divisors (see below), whose sum is σ = 1419443712. Its totient is φ = 1219833120.

The previous prime is 1317790081. The next prime is 1317790141. The reversal of 1317790129 is 9210977131.

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 1317790129 - 2¹³ = 1317781937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1317790091 and 1317790100.

It is not an unprimeable number, because it can be changed into a prime (1317790729) 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, 923404 + ... + 924829.

It is an arithmetic number, because the mean of its divisors is an integer number (177430464).

Almost surely, 2^1317790129 is an apocalyptic number.

It is an amenable number.

1317790129 is a deficient number, since it is larger than the sum of its proper divisors (101653583).

1317790129 is a wasteful number, since it uses less digits than its factorization.

1317790129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848287.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 1317790129 is about 36301.3791611283. The cubic root of 1317790129 is about 1096.3488112349.

The spelling of 1317790129 in words is "one billion, three hundred seventeen million, seven hundred ninety thousand, one hundred twenty-nine".