1192799161 has 4 divisors (see below), whose sum is σ = 1193635300. Its totient is φ = 1191963024.

The previous prime is 1192799149. The next prime is 1192799173. The reversal of 1192799161 is 1619972911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1619972911 = 659 ⋅2458229.

It is an interprime number because it is at equal distance from previous prime (1192799149) and next prime (1192799173).

It can be written as a sum of positive squares in 2 ways, for example, as 332843536 + 859955625 = 18244^2 + 29325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1192799161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1192799141) 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, 415926 + ... + 418783.

It is an arithmetic number, because the mean of its divisors is an integer number (298408825).

Almost surely, 2^1192799161 is an apocalyptic number.

It is an amenable number.

1192799161 is a deficient number, since it is larger than the sum of its proper divisors (836139).

1192799161 is an equidigital number, since it uses as much as digits as its factorization.

1192799161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836138.

The product of its digits is 61236, while the sum is 46.

The square root of 1192799161 is about 34536.9246025178. The cubic root of 1192799161 is about 1060.5287385301.

The spelling of 1192799161 in words is "one billion, one hundred ninety-two million, seven hundred ninety-nine thousand, one hundred sixty-one".