1169448961 has 4 divisors (see below), whose sum is σ = 1220294592. Its totient is φ = 1118603332.

The previous prime is 1169448947. The next prime is 1169448979. The reversal of 1169448961 is 1698449611.

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 a cyclic number.

It is not a de Polignac number, because 1169448961 - 2¹⁷ = 1169317889 is a prime.

It is a super-2 number, since 2×1169448961² = 2735221744767959042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1169448361) 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, 25422781 + ... + 25422826.

It is an arithmetic number, because the mean of its divisors is an integer number (305073648).

Almost surely, 2^1169448961 is an apocalyptic number.

It is an amenable number.

1169448961 is a deficient number, since it is larger than the sum of its proper divisors (50845631).

1169448961 is an equidigital number, since it uses as much as digits as its factorization.

1169448961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50845630.

The product of its digits is 373248, while the sum is 49.

The square root of 1169448961 is about 34197.2069181096. The cubic root of 1169448961 is about 1053.5627910247.

The spelling of 1169448961 in words is "one billion, one hundred sixty-nine million, four hundred forty-eight thousand, nine hundred sixty-one".