1201247 has 2 divisors, whose sum is σ = 1201248. Its totient is φ = 1201246.

The previous prime is 1201241. The next prime is 1201261. The reversal of 1201247 is 7421021.

It is a weak prime.

It is an emirp because it is prime and its reverse (7421021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201247 - 2⁶ = 1201183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600623 + 600624.

It is an arithmetic number, because the mean of its divisors is an integer number (600624).

2^1201247 is an apocalyptic number.

1201247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201247 is an equidigital number, since it uses as much as digits as its factorization.

1201247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1201247 is about 1096.0141422445. The cubic root of 1201247 is about 106.3026534874.

Adding to 1201247 its reverse (7421021), we get a palindrome (8622268).

The spelling of 1201247 in words is "one million, two hundred one thousand, two hundred forty-seven".