1252201201 has 4 divisors (see below), whose sum is σ = 1254186304. Its totient is φ = 1250216100.

The previous prime is 1252201189. The next prime is 1252201211. The reversal of 1252201201 is 1021022521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1252201201 - 2¹⁵ = 1252168433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252201211) 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, 991605 + ... + 992866.

It is an arithmetic number, because the mean of its divisors is an integer number (313546576).

Almost surely, 2^1252201201 is an apocalyptic number.

It is an amenable number.

1252201201 is a deficient number, since it is larger than the sum of its proper divisors (1985103).

1252201201 is an equidigital number, since it uses as much as digits as its factorization.

1252201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985102.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1252201201 is about 35386.4550499199. The cubic root of 1252201201 is about 1077.8492867253.

Adding to 1252201201 its reverse (1021022521), we get a palindrome (2273223722).

The spelling of 1252201201 in words is "one billion, two hundred fifty-two million, two hundred one thousand, two hundred one".