1252816116 has 48 divisors (see below), whose sum is σ = 2983606080. Its totient is φ = 409052160.

The previous prime is 1252816079. The next prime is 1252816127. The reversal of 1252816116 is 6116182521.

1252816116 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141220 + ... + 149828.

It is an arithmetic number, because the mean of its divisors is an integer number (62158460).

Almost surely, 2^1252816116 is an apocalyptic number.

It is an amenable number.

1252816116 is an abundant number, since it is smaller than the sum of its proper divisors (1730789964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252816116 is a wasteful number, since it uses less digits than its factorization.

1252816116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8864 (or 8862 counting only the distinct ones).

The product of its digits is 5760, while the sum is 33.

The square root of 1252816116 is about 35395.1425480955. The cubic root of 1252816116 is about 1078.0256900148.

Adding to 1252816116 its reverse (6116182521), we get a palindrome (7368998637).

The spelling of 1252816116 in words is "one billion, two hundred fifty-two million, eight hundred sixteen thousand, one hundred sixteen".