1252003211 has 4 divisors (see below), whose sum is σ = 1261861632. Its totient is φ = 1242144792.

The previous prime is 1252003201. The next prime is 1252003219. The reversal of 1252003211 is 1123002521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123002521 = 28087 ⋅39983.

It is a cyclic number.

It is not a de Polignac number, because 1252003211 - 2¹⁰ = 1252002187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252003211.

It is not an unprimeable number, because it can be changed into a prime (1252003219) 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, 4929020 + ... + 4929273.

It is an arithmetic number, because the mean of its divisors is an integer number (315465408).

Almost surely, 2^1252003211 is an apocalyptic number.

1252003211 is a deficient number, since it is larger than the sum of its proper divisors (9858421).

1252003211 is an equidigital number, since it uses as much as digits as its factorization.

1252003211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9858420.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1252003211 is about 35383.6573999919. The cubic root of 1252003211 is about 1077.7924761988.

Adding to 1252003211 its reverse (1123002521), we get a palindrome (2375005732).

The spelling of 1252003211 in words is "one billion, two hundred fifty-two million, three thousand, two hundred eleven".