1268125288 has 32 divisors (see below), whose sum is σ = 2407204800. Its totient is φ = 626237568.

The previous prime is 1268125231. The next prime is 1268125289. The reversal of 1268125288 is 8825218621.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1268125289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343420 + ... + 347092.

It is an arithmetic number, because the mean of its divisors is an integer number (75225150).

Almost surely, 2^1268125288 is an apocalyptic number.

It is an amenable number.

1268125288 is a deficient number, since it is larger than the sum of its proper divisors (1139079512).

1268125288 is a wasteful number, since it uses less digits than its factorization.

1268125288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201 (or 4197 counting only the distinct ones).

The product of its digits is 122880, while the sum is 43.

The square root of 1268125288 is about 35610.7468048622. The cubic root of 1268125288 is about 1082.3990132419.

The spelling of 1268125288 in words is "one billion, two hundred sixty-eight million, one hundred twenty-five thousand, two hundred eighty-eight".