1169881063 has 4 divisors (see below), whose sum is σ = 1259871928. Its totient is φ = 1079890200.

The previous prime is 1169881051. The next prime is 1169881109. The reversal of 1169881063 is 3601889611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3601889611 = 577 ⋅6242443.

It is a cyclic number.

It is not a de Polignac number, because 1169881063 - 2²⁹ = 633010151 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 (1169881463) 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, 44995413 + ... + 44995438.

It is an arithmetic number, because the mean of its divisors is an integer number (314967982).

Almost surely, 2^1169881063 is an apocalyptic number.

1169881063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1169881063 is a deficient number, since it is larger than the sum of its proper divisors (89990865).

1169881063 is an equidigital number, since it uses as much as digits as its factorization.

1169881063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89990864.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 1169881063 is about 34203.5241312938. The cubic root of 1169881063 is about 1053.6925360430.

The spelling of 1169881063 in words is "one billion, one hundred sixty-nine million, eight hundred eighty-one thousand, sixty-three".