1089841875 has 80 divisors (see below), whose sum is σ = 1889395200. Its totient is φ = 558256000.

The previous prime is 1089841861. The next prime is 1089841877. The reversal of 1089841875 is 5781489801.

It is a happy number.

1089841875 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1089841875 - 2⁶ = 1089841811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089841877) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7314301 + ... + 7314449.

It is an arithmetic number, because the mean of its divisors is an integer number (23617440).

Almost surely, 2^1089841875 is an apocalyptic number.

1089841875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1089841875 is a deficient number, since it is larger than the sum of its proper divisors (799553325).

1089841875 is an equidigital number, since it uses as much as digits as its factorization.

1089841875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 51.

The square root of 1089841875 is about 33012.7532175067. The cubic root of 1089841875 is about 1029.0926986748.

The spelling of 1089841875 in words is "one billion, eighty-nine million, eight hundred forty-one thousand, eight hundred seventy-five".