1029204 has 72 divisors (see below), whose sum is σ = 2987712. Its totient is φ = 295680.

The previous prime is 1029199. The next prime is 1029209. The reversal of 1029204 is 4029201.

It is an interprime number because it is at equal distance from previous prime (1029199) and next prime (1029209).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029209) 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 23 ways as a sum of consecutive naturals, for example, 9052 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (41496).

2^1029204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1029204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493856).

1029204 is an abundant number, since it is smaller than the sum of its proper divisors (1958508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1029204 is a wasteful number, since it uses less digits than its factorization.

1029204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1029204 is about 1014.4969196602. The cubic root of 1029204 is about 100.9641411113.

The spelling of 1029204 in words is "one million, twenty-nine thousand, two hundred four".