1268188796 has 36 divisors (see below), whose sum is σ = 2664962496. Its totient is φ = 525974400.

The previous prime is 1268188793. The next prime is 1268188819. The reversal of 1268188796 is 6978818621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268188793) 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, 98285 + ... + 110436.

It is an arithmetic number, because the mean of its divisors is an integer number (74026736).

Almost surely, 2^1268188796 is an apocalyptic number.

It is an amenable number.

1268188796 is an abundant number, since it is smaller than the sum of its proper divisors (1396773700).

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

1268188796 is a wasteful number, since it uses less digits than its factorization.

1268188796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208770 (or 208761 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 56.

The square root of 1268188796 is about 35611.6384908080. The cubic root of 1268188796 is about 1082.4170818690.

The spelling of 1268188796 in words is "one billion, two hundred sixty-eight million, one hundred eighty-eight thousand, seven hundred ninety-six".