1109001398 has 8 divisors (see below), whose sum is σ = 1686931920. Its totient is φ = 546690760.

The previous prime is 1109001389. The next prime is 1109001401. The reversal of 1109001398 is 8931009011.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3904793 + ... + 3905076.

It is an arithmetic number, because the mean of its divisors is an integer number (210866490).

Almost surely, 2^1109001398 is an apocalyptic number.

1109001398 is a deficient number, since it is larger than the sum of its proper divisors (577930522).

1109001398 is an equidigital number, since it uses as much as digits as its factorization.

1109001398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7809942.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 1109001398 is about 33301.6726006367. The cubic root of 1109001398 is about 1035.0882163989.

The spelling of 1109001398 in words is "one billion, one hundred nine million, one thousand, three hundred ninety-eight".