1203361 has 2 divisors, whose sum is σ = 1203362. Its totient is φ = 1203360.

The previous prime is 1203359. The next prime is 1203421. The reversal of 1203361 is 1633021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 739600 + 463761 = 860^2 + 681^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203361 - 2¹ = 1203359 is a prime.

Together with 1203359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1203331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601680 + 601681.

It is an arithmetic number, because the mean of its divisors is an integer number (601681).

2^1203361 is an apocalyptic number.

It is an amenable number.

1203361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203361 is an equidigital number, since it uses as much as digits as its factorization.

1203361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1203361 is about 1096.9781219332. The cubic root of 1203361 is about 106.3649754224.

Adding to 1203361 its reverse (1633021), we get a palindrome (2836382).

It can be divided in two parts, 120 and 3361, that added together give a square (3481 = 59²).

The spelling of 1203361 in words is "one million, two hundred three thousand, three hundred sixty-one".