1601207 has 2 divisors, whose sum is σ = 1601208. Its totient is φ = 1601206.

The previous prime is 1601203. The next prime is 1601209. The reversal of 1601207 is 7021061.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1601207 - 2² = 1601203 is a prime.

Together with 1601209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800603 + 800604.

It is an arithmetic number, because the mean of its divisors is an integer number (800604).

2^1601207 is an apocalyptic number.

1601207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601207 is an equidigital number, since it uses as much as digits as its factorization.

1601207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1601207 is about 1265.3880827635. The cubic root of 1601207 is about 116.9901128811.

Adding to 1601207 its reverse (7021061), we get a palindrome (8622268).

The spelling of 1601207 in words is "one million, six hundred one thousand, two hundred seven".