1089907 has 24 divisors (see below), whose sum is σ = 1436400. Its totient is φ = 818496.

The previous prime is 1089877. The next prime is 1089917. The reversal of 1089907 is 7099801.

It is a de Polignac number, because none of the positive numbers 2^k-1089907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1089917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18444 + ... + 18502.

It is an arithmetic number, because the mean of its divisors is an integer number (59850).

2^1089907 is an apocalyptic number.

1089907 is a deficient number, since it is larger than the sum of its proper divisors (346493).

1089907 is a wasteful number, since it uses less digits than its factorization.

1089907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 1089907 is about 1043.9861110187. The cubic root of 1089907 is about 102.9113196550.

The spelling of 1089907 in words is "one million, eighty-nine thousand, nine hundred seven".