1012788068 has 24 divisors (see below), whose sum is σ = 1822152024. Its totient is φ = 492262400.

The previous prime is 1012788067. The next prime is 1012788071. The reversal of 1012788068 is 8608872101.

It can be written as a sum of positive squares in 4 ways, for example, as 33849124 + 978938944 = 5818^2 + 31288^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (1012788067) 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, 35096 + ... + 57072.

It is an arithmetic number, because the mean of its divisors is an integer number (75923001).

Almost surely, 2^1012788068 is an apocalyptic number.

It is an amenable number.

1012788068 is a deficient number, since it is larger than the sum of its proper divisors (809363956).

1012788068 is a wasteful number, since it uses less digits than its factorization.

1012788068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22303 (or 22301 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 41.

The square root of 1012788068 is about 31824.3313833928. The cubic root of 1012788068 is about 1004.2446468148.

The spelling of 1012788068 in words is "one billion, twelve million, seven hundred eighty-eight thousand, sixty-eight".