1252104213 has 16 divisors (see below), whose sum is σ = 1774737216. Its totient is φ = 782496000.

The previous prime is 1252104209. The next prime is 1252104221. The reversal of 1252104213 is 3124012521.

It is not a de Polignac number, because 1252104213 - 2² = 1252104209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252104213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252104713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36106 + ... + 61707.

It is an arithmetic number, because the mean of its divisors is an integer number (110921076).

Almost surely, 2^1252104213 is an apocalyptic number.

It is an amenable number.

1252104213 is a deficient number, since it is larger than the sum of its proper divisors (522633003).

1252104213 is a wasteful number, since it uses less digits than its factorization.

1252104213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98084.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1252104213 is about 35385.0846120226. The cubic root of 1252104213 is about 1077.8214580916.

Adding to 1252104213 its reverse (3124012521), we get a palindrome (4376116734).

The spelling of 1252104213 in words is "one billion, two hundred fifty-two million, one hundred four thousand, two hundred thirteen".