1089047 has 2 divisors, whose sum is σ = 1089048. Its totient is φ = 1089046.

The previous prime is 1089029. The next prime is 1089091. The reversal of 1089047 is 7409801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1089047 - 2¹⁰ = 1088023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544523 + 544524.

It is an arithmetic number, because the mean of its divisors is an integer number (544524).

2^1089047 is an apocalyptic number.

1089047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089047 is an equidigital number, since it uses as much as digits as its factorization.

1089047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1089047 is about 1043.5741468626. The cubic root of 1089047 is about 102.8842448607.

The spelling of 1089047 in words is "one million, eighty-nine thousand, forty-seven".