1089029 has 2 divisors, whose sum is σ = 1089030. Its totient is φ = 1089028.

The previous prime is 1089017. The next prime is 1089047. The reversal of 1089029 is 9209801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 996004 + 93025 = 998^2 + 305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1089029 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1088992 and 1089010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544514 + 544515.

It is an arithmetic number, because the mean of its divisors is an integer number (544515).

2^1089029 is an apocalyptic number.

It is an amenable number.

1089029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089029 is an equidigital number, since it uses as much as digits as its factorization.

1089029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1089029 is about 1043.5655226194. The cubic root of 1089029 is about 102.8836780267.

The spelling of 1089029 in words is "one million, eighty-nine thousand, twenty-nine".