1268057252 has 72 divisors (see below), whose sum is σ = 2909010048. Its totient is φ = 472538880.

The previous prime is 1268057249. The next prime is 1268057257. The reversal of 1268057252 is 2527508621.

It is not an unprimeable number, because it can be changed into a prime (1268057257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69788 + ... + 86060.

Almost surely, 2^1268057252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1268057252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1454505024).

1268057252 is an abundant number, since it is smaller than the sum of its proper divisors (1640952796).

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

1268057252 is a wasteful number, since it uses less digits than its factorization.

1268057252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16329 (or 16316 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1268057252 is about 35609.7915186259. The cubic root of 1268057252 is about 1082.3796556865.

The spelling of 1268057252 in words is "one billion, two hundred sixty-eight million, fifty-seven thousand, two hundred fifty-two".