1089207 has 40 divisors (see below), whose sum is σ = 1986336. Its totient is φ = 580608.

The previous prime is 1089197. The next prime is 1089217. The reversal of 1089207 is 7029801.

It is an interprime number because it is at equal distance from previous prime (1089197) and next prime (1089217).

It is not a de Polignac number, because 1089207 - 2⁴ = 1089191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089217) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9583 + ... + 9695.

2^1089207 is an apocalyptic number.

1089207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1089207 is a deficient number, since it is larger than the sum of its proper divisors (897129).

1089207 is a wasteful number, since it uses less digits than its factorization.

1089207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1089207 is about 1043.6508036695. The cubic root of 1089207 is about 102.8892831107.

It can be divided in two parts, 1089 and 207, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1089207 in words is "one million, eighty-nine thousand, two hundred seven".