1128347597 has 18 divisors (see below), whose sum is σ = 1255992318. Its totient is φ = 1013193792.

The previous prime is 1128347587. The next prime is 1128347657. The reversal of 1128347597 is 7957438211.

It can be written as a sum of positive squares in 9 ways, for example, as 208196041 + 920151556 = 14429^2 + 30334^2 .

It is not a de Polignac number, because 1128347597 - 2³⁰ = 54605773 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 (1128347527) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 228923 + ... + 233799.

It is an arithmetic number, because the mean of its divisors is an integer number (69777351).

Almost surely, 2^1128347597 is an apocalyptic number.

It is an amenable number.

1128347597 is a deficient number, since it is larger than the sum of its proper divisors (127644721).

1128347597 is an equidigital number, since it uses as much as digits as its factorization.

1128347597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977 (or 4927 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 1128347597 is about 33590.8856239308. The cubic root of 1128347597 is about 1041.0724873802.

The spelling of 1128347597 in words is "one billion, one hundred twenty-eight million, three hundred forty-seven thousand, five hundred ninety-seven".