1161344127 has 8 divisors (see below), whose sum is σ = 1550645680. Its totient is φ = 773136000.

The previous prime is 1161344099. The next prime is 1161344131. The reversal of 1161344127 is 7214431611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1161344127 - 2¹¹ = 1161342079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1161344094 and 1161344103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161344167) 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 7 ways as a sum of consecutive naturals, for example, 270874 + ... + 275127.

It is an arithmetic number, because the mean of its divisors is an integer number (193830710).

Almost surely, 2^1161344127 is an apocalyptic number.

1161344127 is a deficient number, since it is larger than the sum of its proper divisors (389301553).

1161344127 is an equidigital number, since it uses as much as digits as its factorization.

1161344127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546713.

The product of its digits is 4032, while the sum is 30.

The square root of 1161344127 is about 34078.4994828117. The cubic root of 1161344127 is about 1051.1232505680.

Adding to 1161344127 its reverse (7214431611), we get a palindrome (8375775738).

The spelling of 1161344127 in words is "one billion, one hundred sixty-one million, three hundred forty-four thousand, one hundred twenty-seven".