1128117701 has 4 divisors (see below), whose sum is σ = 1147238400. Its totient is φ = 1108997004.

The previous prime is 1128117689. The next prime is 1128117703. The reversal of 1128117701 is 1077118211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1128117701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128117703) 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 3 ways as a sum of consecutive naturals, for example, 9560261 + ... + 9560378.

It is an arithmetic number, because the mean of its divisors is an integer number (286809600).

Almost surely, 2^1128117701 is an apocalyptic number.

It is an amenable number.

1128117701 is a deficient number, since it is larger than the sum of its proper divisors (19120699).

1128117701 is an equidigital number, since it uses as much as digits as its factorization.

1128117701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19120698.

The product of its (nonzero) digits is 784, while the sum is 29.

The square root of 1128117701 is about 33587.4634499243. The cubic root of 1128117701 is about 1041.0017778879.

It can be divided in two parts, 11281 and 17701, that added together give a palindrome (28982).

The spelling of 1128117701 in words is "one billion, one hundred twenty-eight million, one hundred seventeen thousand, seven hundred one".