1089507 has 8 divisors (see below), whose sum is σ = 1483776. Its totient is φ = 710792.

The previous prime is 1089503. The next prime is 1089509. The reversal of 1089507 is 7059801.

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 1089507 - 2² = 1089503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1089503) 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, 3723 + ... + 4004.

It is an arithmetic number, because the mean of its divisors is an integer number (185472).

2^1089507 is an apocalyptic number.

1089507 is a deficient number, since it is larger than the sum of its proper divisors (394269).

1089507 is an equidigital number, since it uses as much as digits as its factorization.

1089507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1089507 is about 1043.7945200086. The cubic root of 1089507 is about 102.8987284997.

It can be divided in two parts, 1089 and 507, that added together give a triangular number (1596 = T₅₆).

The spelling of 1089507 in words is "one million, eighty-nine thousand, five hundred seven".