1252005112 has 16 divisors (see below), whose sum is σ = 2410956360. Its totient is φ = 609083424.

The previous prime is 1252005077. The next prime is 1252005113. The reversal of 1252005112 is 2115002521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252005112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252005113) 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, 2114578 + ... + 2115169.

Almost surely, 2^1252005112 is an apocalyptic number.

It is an amenable number.

1252005112 is a deficient number, since it is larger than the sum of its proper divisors (1158951248).

1252005112 is a wasteful number, since it uses less digits than its factorization.

1252005112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229790 (or 4229786 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1252005112 is about 35383.6842626655. The cubic root of 1252005112 is about 1077.7930216933.

Adding to 1252005112 its reverse (2115002521), we get a palindrome (3367007633).

The spelling of 1252005112 in words is "one billion, two hundred fifty-two million, five thousand, one hundred twelve".