1252201 has 2 divisors, whose sum is σ = 1252202. Its totient is φ = 1252200.

The previous prime is 1252193. The next prime is 1252211. The reversal of 1252201 is 1022521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1212201 + 40000 = 1101^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252201 - 2³ = 1252193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1252211) 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, 626100 + 626101.

It is an arithmetic number, because the mean of its divisors is an integer number (626101).

2^1252201 is an apocalyptic number.

It is an amenable number.

1252201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252201 is an equidigital number, since it uses as much as digits as its factorization.

1252201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1252201 is about 1119.0178729582. The cubic root of 1252201 is about 107.7849229054.

Subtracting from 1252201 its product of nonzero digits (40), we obtain a square (1252161 = 1119²).

Adding to 1252201 its reverse (1022521), we get a palindrome (2274722).

The spelling of 1252201 in words is "one million, two hundred fifty-two thousand, two hundred one".