1252025844 has 12 divisors (see below), whose sum is σ = 2921393664. Its totient is φ = 417341944.

The previous prime is 1252025833. The next prime is 1252025909. The reversal of 1252025844 is 4485202521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52167732 + ... + 52167755.

It is an arithmetic number, because the mean of its divisors is an integer number (243449472).

Almost surely, 2^1252025844 is an apocalyptic number.

It is an amenable number.

1252025844 is an abundant number, since it is smaller than the sum of its proper divisors (1669367820).

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

1252025844 is a wasteful number, since it uses less digits than its factorization.

1252025844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104335494 (or 104335492 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 1252025844 is about 35383.9772213356. The cubic root of 1252025844 is about 1077.7989707322.

The spelling of 1252025844 in words is "one billion, two hundred fifty-two million, twenty-five thousand, eight hundred forty-four".