1252388648 has 48 divisors (see below), whose sum is σ = 2875399200. Its totient is φ = 508485600.

The previous prime is 1252388647. The next prime is 1252388653. The reversal of 1252388648 is 8468832521.

It is not an unprimeable number, because it can be changed into a prime (1252388647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76628 + ... + 91523.

It is an arithmetic number, because the mean of its divisors is an integer number (59904150).

Almost surely, 2^1252388648 is an apocalyptic number.

It is an amenable number.

1252388648 is an abundant number, since it is smaller than the sum of its proper divisors (1623010552).

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

1252388648 is a wasteful number, since it uses less digits than its factorization.

1252388648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168190 (or 168179 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The square root of 1252388648 is about 35389.1035207167. The cubic root of 1252388648 is about 1077.9030665637.

The spelling of 1252388648 in words is "one billion, two hundred fifty-two million, three hundred eighty-eight thousand, six hundred forty-eight".