1029245 has 12 divisors (see below), whose sum is σ = 1437084. Its totient is φ = 705600.

The previous prime is 1029209. The next prime is 1029247. The reversal of 1029245 is 5429201.

1029245 = 50² + 51² + ... + 147².

It can be written as a sum of positive squares in 2 ways, for example, as 188356 + 840889 = 434^2 + 917^2 .

It is not a de Polignac number, because 1029245 - 2¹⁰ = 1028221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1029245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1856 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (119757).

2^1029245 is an apocalyptic number.

It is an amenable number.

1029245 is a deficient number, since it is larger than the sum of its proper divisors (407839).

1029245 is an equidigital number, since it uses as much as digits as its factorization.

1029245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 4213 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1029245 is about 1014.5171265188. The cubic root of 1029245 is about 100.9654817833.

The spelling of 1029245 in words is "one million, twenty-nine thousand, two hundred forty-five".