1268500088 has 8 divisors (see below), whose sum is σ = 2378437680. Its totient is φ = 634250040.

The previous prime is 1268500081. The next prime is 1268500091. The reversal of 1268500088 is 8800058621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268500081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79281248 + ... + 79281263.

It is an arithmetic number, because the mean of its divisors is an integer number (297304710).

Almost surely, 2^1268500088 is an apocalyptic number.

It is an amenable number.

1268500088 is a deficient number, since it is larger than the sum of its proper divisors (1109937592).

1268500088 is a wasteful number, since it uses less digits than its factorization.

1268500088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158562517 (or 158562513 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 1268500088 is about 35616.0088724158. The cubic root of 1268500088 is about 1082.5056386659.

The spelling of 1268500088 in words is "one billion, two hundred sixty-eight million, five hundred thousand, eighty-eight".