1088131969 has 8 divisors (see below), whose sum is σ = 1109179008. Its totient is φ = 1067188560.

The previous prime is 1088131943. The next prime is 1088131987. The reversal of 1088131969 is 9691318801.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1088131969 is a prime.

It is a super-2 number, since 2×1088131969² = 2368062363919633922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1088131769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4537 + ... + 46870.

It is an arithmetic number, because the mean of its divisors is an integer number (138647376).

Almost surely, 2^1088131969 is an apocalyptic number.

It is an amenable number.

1088131969 is a deficient number, since it is larger than the sum of its proper divisors (21047039).

1088131969 is an equidigital number, since it uses as much as digits as its factorization.

1088131969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51815.

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 1088131969 is about 32986.8453932776. The cubic root of 1088131969 is about 1028.5542190748.

The spelling of 1088131969 in words is "one billion, eighty-eight million, one hundred thirty-one thousand, nine hundred sixty-nine".