1202445 has 20 divisors (see below), whose sum is σ = 2156220. Its totient is φ = 641088.

The previous prime is 1202437. The next prime is 1202447. The reversal of 1202445 is 5442021.

It can be written as a sum of positive squares in 2 ways, for example, as 149769 + 1052676 = 387^2 + 1026^2 .

It is not a de Polignac number, because 1202445 - 2³ = 1202437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202447) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1080 + ... + 1889.

It is an arithmetic number, because the mean of its divisors is an integer number (107811).

2^1202445 is an apocalyptic number.

1202445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1202445 is a deficient number, since it is larger than the sum of its proper divisors (953775).

1202445 is an equidigital number, since it uses as much as digits as its factorization.

1202445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1202445 is about 1096.5605318449. The cubic root of 1202445 is about 106.3379801845.

Adding to 1202445 its reverse (5442021), we get a palindrome (6644466).

The spelling of 1202445 in words is "one million, two hundred two thousand, four hundred forty-five".