1089237 has 8 divisors (see below), whose sum is σ = 1466080. Its totient is φ = 719280.

The previous prime is 1089227. The next prime is 1089239. The reversal of 1089237 is 7329801.

It is a happy number.

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

It is not a de Polignac number, because 1089237 - 2¹² = 1085141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1339 + ... + 1992.

It is an arithmetic number, because the mean of its divisors is an integer number (183260).

2^1089237 is an apocalyptic number.

It is an amenable number.

1089237 is a deficient number, since it is larger than the sum of its proper divisors (376843).

1089237 is a wasteful number, since it uses less digits than its factorization.

1089237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1089237 is about 1043.6651761940. The cubic root of 1089237 is about 102.8902277276.

It can be divided in two parts, 1089 and 237, that added together give a triangular number (1326 = T₅₁).

The spelling of 1089237 in words is "one million, eighty-nine thousand, two hundred thirty-seven".