1268820082 has 8 divisors (see below), whose sum is σ = 1915834752. Its totient is φ = 630208500.

The previous prime is 1268820073. The next prime is 1268820083. The reversal of 1268820082 is 2800288621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1268820083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100394 + ... + 2100997.

It is an arithmetic number, because the mean of its divisors is an integer number (239479344).

Almost surely, 2^1268820082 is an apocalyptic number.

1268820082 is a deficient number, since it is larger than the sum of its proper divisors (647014670).

1268820082 is a wasteful number, since it uses less digits than its factorization.

1268820082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201544.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 1268820082 is about 35620.5008667761. The cubic root of 1268820082 is about 1082.5966559204.

The spelling of 1268820082 in words is "one billion, two hundred sixty-eight million, eight hundred twenty thousand, eighty-two".