1252001 has 4 divisors (see below), whose sum is σ = 1259412. Its totient is φ = 1244592.

The previous prime is 1251983. The next prime is 1252021. The reversal of 1252001 is 1002521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1002001 + 250000 = 1001^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252001 - 2⁶ = 1251937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3446 + ... + 3791.

It is an arithmetic number, because the mean of its divisors is an integer number (314853).

2^1252001 is an apocalyptic number.

It is an amenable number.

1252001 is a deficient number, since it is larger than the sum of its proper divisors (7411).

1252001 is an equidigital number, since it uses as much as digits as its factorization.

1252001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 1252001 is about 1118.9285053121. The cubic root of 1252001 is about 107.7791841749.

Adding to 1252001 its reverse (1002521), we get a palindrome (2254522).

The spelling of 1252001 in words is "one million, two hundred fifty-two thousand, one".