1601203 has 2 divisors, whose sum is σ = 1601204. Its totient is φ = 1601202.

The previous prime is 1601161. The next prime is 1601207. The reversal of 1601203 is 3021061.

It is a strong prime.

It is an emirp because it is prime and its reverse (3021061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1601203 - 2⁹ = 1600691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601207) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800601 + 800602.

It is an arithmetic number, because the mean of its divisors is an integer number (800602).

2^1601203 is an apocalyptic number.

1601203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601203 is an equidigital number, since it uses as much as digits as its factorization.

1601203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1601203 is about 1265.3865022198. The cubic root of 1601203 is about 116.9900154628.

Adding to 1601203 its reverse (3021061), we get a palindrome (4622264).

The spelling of 1601203 in words is "one million, six hundred one thousand, two hundred three".