1195880993 has 4 divisors (see below), whose sum is σ = 1196016708. Its totient is φ = 1195745280.

The previous prime is 1195880981. The next prime is 1195880999. The reversal of 1195880993 is 3990885911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3990885911 = 523 ⋅7630757.

It can be written as a sum of positive squares in 2 ways, for example, as 640241809 + 555639184 = 25303^2 + 23572^2 .

It is a cyclic number.

It is not a de Polignac number, because 1195880993 - 2¹² = 1195876897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1195880999) 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, 53648 + ... + 72593.

It is an arithmetic number, because the mean of its divisors is an integer number (299004177).

Almost surely, 2^1195880993 is an apocalyptic number.

It is an amenable number.

1195880993 is a deficient number, since it is larger than the sum of its proper divisors (135715).

1195880993 is an equidigital number, since it uses as much as digits as its factorization.

1195880993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135714.

The product of its (nonzero) digits is 699840, while the sum is 53.

The square root of 1195880993 is about 34581.5123006499. The cubic root of 1195880993 is about 1061.4413147950.

The spelling of 1195880993 in words is "one billion, one hundred ninety-five million, eight hundred eighty thousand, nine hundred ninety-three".