1120647317 has 8 divisors (see below), whose sum is σ = 1149072696. Its totient is φ = 1092491712.

The previous prime is 1120647299. The next prime is 1120647323. The reversal of 1120647317 is 7137460211.

It can be written as a sum of positive squares in 4 ways, for example, as 370216081 + 750431236 = 19241^2 + 27394^2 .

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 1120647317 - 2²⁰ = 1119598741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120647337) 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, 59018 + ... + 75659.

It is an arithmetic number, because the mean of its divisors is an integer number (143634087).

Almost surely, 2^1120647317 is an apocalyptic number.

It is an amenable number.

1120647317 is a deficient number, since it is larger than the sum of its proper divisors (28425379).

1120647317 is a wasteful number, since it uses less digits than its factorization.

1120647317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134887.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1120647317 is about 33476.0708118501. The cubic root of 1120647317 is about 1038.6988526539.

The spelling of 1120647317 in words is "one billion, one hundred twenty million, six hundred forty-seven thousand, three hundred seventeen".