1123851317 has 8 divisors (see below), whose sum is σ = 1191130776. Its totient is φ = 1056701952.

The previous prime is 1123851307. The next prime is 1123851319. The reversal of 1123851317 is 7131583211.

It can be written as a sum of positive squares in 4 ways, for example, as 792647716 + 331203601 = 28154^2 + 18199^2 .

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 1123851317 - 2²⁸ = 855415861 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 (1123851319) 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, 14438 + ... + 49559.

It is an arithmetic number, because the mean of its divisors is an integer number (148891347).

Almost surely, 2^1123851317 is an apocalyptic number.

1123851317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1123851317 is a deficient number, since it is larger than the sum of its proper divisors (67279459).

1123851317 is a wasteful number, since it uses less digits than its factorization.

1123851317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65047.

The product of its digits is 5040, while the sum is 32.

The square root of 1123851317 is about 33523.8917341051. The cubic root of 1123851317 is about 1039.6878121768.

The spelling of 1123851317 in words is "one billion, one hundred twenty-three million, eight hundred fifty-one thousand, three hundred seventeen".