1161096929 has 4 divisors (see below), whose sum is σ = 1161178884. Its totient is φ = 1161014976.

The previous prime is 1161096899. The next prime is 1161096941. The reversal of 1161096929 is 9296901611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 78357904 + 1082739025 = 8852^2 + 32905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1161096929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161096929.

It is not an unprimeable number, because it can be changed into a prime (1161096949) 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, 13652 + ... + 50085.

It is an arithmetic number, because the mean of its divisors is an integer number (290294721).

Almost surely, 2^1161096929 is an apocalyptic number.

It is an amenable number.

1161096929 is a deficient number, since it is larger than the sum of its proper divisors (81955).

1161096929 is an equidigital number, since it uses as much as digits as its factorization.

1161096929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81954.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 1161096929 is about 34074.8723988807. The cubic root of 1161096929 is about 1051.0486663004.

The spelling of 1161096929 in words is "one billion, one hundred sixty-one million, ninety-six thousand, nine hundred twenty-nine".