1089250395 has 8 divisors (see below), whose sum is σ = 1742800656. Its totient is φ = 580933536.

The previous prime is 1089250381. The next prime is 1089250439. The reversal of 1089250395 is 5930529801.

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

It is not a de Polignac number, because 1089250395 - 2⁸ = 1089250139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36308332 + ... + 36308361.

It is an arithmetic number, because the mean of its divisors is an integer number (217850082).

Almost surely, 2^1089250395 is an apocalyptic number.

1089250395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1089250395 is a deficient number, since it is larger than the sum of its proper divisors (653550261).

1089250395 is an equidigital number, since it uses as much as digits as its factorization.

1089250395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72616701.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 1089250395 is about 33003.7936455796. The cubic root of 1089250395 is about 1028.9064949350.

The spelling of 1089250395 in words is "one billion, eighty-nine million, two hundred fifty thousand, three hundred ninety-five".