1160077261 has 4 divisors (see below), whose sum is σ = 1325802592. Its totient is φ = 994351932.

The previous prime is 1160077231. The next prime is 1160077333. The reversal of 1160077261 is 1627700611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1160077261 - 2¹⁵ = 1160044493 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 (1160077231) 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 3 ways as a sum of consecutive naturals, for example, 82862655 + ... + 82862668.

It is an arithmetic number, because the mean of its divisors is an integer number (331450648).

Almost surely, 2^1160077261 is an apocalyptic number.

It is an amenable number.

1160077261 is a deficient number, since it is larger than the sum of its proper divisors (165725331).

1160077261 is an equidigital number, since it uses as much as digits as its factorization.

1160077261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165725330.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 1160077261 is about 34059.9069435018. The cubic root of 1160077261 is about 1050.7409014205.

Adding to 1160077261 its reverse (1627700611), we get a palindrome (2787777872).

The spelling of 1160077261 in words is "one billion, one hundred sixty million, seventy-seven thousand, two hundred sixty-one".