1109270489 has 8 divisors (see below), whose sum is σ = 1155190272. Its totient is φ = 1063984320.

The previous prime is 1109270419. The next prime is 1109270497. The reversal of 1109270489 is 9840729011.

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

It is a cyclic number.

It is not a de Polignac number, because 1109270489 - 2⁸ = 1109270233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109270419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154829 + ... + 161834.

It is an arithmetic number, because the mean of its divisors is an integer number (144398784).

Almost surely, 2^1109270489 is an apocalyptic number.

It is an amenable number.

1109270489 is a deficient number, since it is larger than the sum of its proper divisors (45919783).

1109270489 is a wasteful number, since it uses less digits than its factorization.

1109270489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316807.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1109270489 is about 33305.7125580583. The cubic root of 1109270489 is about 1035.1719284660.

The spelling of 1109270489 in words is "one billion, one hundred nine million, two hundred seventy thousand, four hundred eighty-nine".