1801202 has 18 divisors (see below), whose sum is σ = 2966247. Its totient is φ = 819936.

The previous prime is 1801187. The next prime is 1801207. The reversal of 1801202 is 2021081.

It can be written as a sum of positive squares in 5 ways, for example, as 358801 + 1442401 = 599^2 + 1201^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=949.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1801207) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24638 + ... + 24710.

2^1801202 is an apocalyptic number.

1801202 is a deficient number, since it is larger than the sum of its proper divisors (1165045).

1801202 is an equidigital number, since it uses as much as digits as its factorization.

1801202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1801202 is about 1342.0886706921. The cubic root of 1801202 is about 121.6711109488.

Multiplying 1801202 by its product of nonzero digits (32), we get a square (57638464 = 7592²).

Adding to 1801202 its reverse (2021081), we get a palindrome (3822283).

The spelling of 1801202 in words is "one million, eight hundred one thousand, two hundred two".