1090706597 has 4 divisors (see below), whose sum is σ = 1093510860. Its totient is φ = 1087902336.

The previous prime is 1090706549. The next prime is 1090706681. The reversal of 1090706597 is 7956070901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7956070901 = 149 ⋅53396449.

It can be written as a sum of positive squares in 2 ways, for example, as 550887841 + 539818756 = 23471^2 + 23234^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090706597 - 2⁸ = 1090706341 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 (1090706527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401548 + ... + 1402325.

It is an arithmetic number, because the mean of its divisors is an integer number (273377715).

Almost surely, 2^1090706597 is an apocalyptic number.

It is an amenable number.

1090706597 is a deficient number, since it is larger than the sum of its proper divisors (2804263).

1090706597 is an equidigital number, since it uses as much as digits as its factorization.

1090706597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804262.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 1090706597 is about 33025.8474077502. The cubic root of 1090706597 is about 1029.3648004864.

The spelling of 1090706597 in words is "one billion, ninety million, seven hundred six thousand, five hundred ninety-seven".