1068122787 has 16 divisors (see below), whose sum is σ = 1449784320. Its totient is φ = 699354432.

The previous prime is 1068122743. The next prime is 1068122789. The reversal of 1068122787 is 7872218601.

It is not a de Polignac number, because 1068122787 - 2⁷ = 1068122659 is a prime.

It is a super-2 number, since 2×1068122787² = 2281772576217294738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068122789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42138 + ... + 62544.

It is an arithmetic number, because the mean of its divisors is an integer number (90611520).

Almost surely, 2^1068122787 is an apocalyptic number.

1068122787 is a deficient number, since it is larger than the sum of its proper divisors (381661533).

1068122787 is a wasteful number, since it uses less digits than its factorization.

1068122787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20722.

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 1068122787 is about 32682.1478333356. The cubic root of 1068122787 is about 1022.2106312673.

The spelling of 1068122787 in words is "one billion, sixty-eight million, one hundred twenty-two thousand, seven hundred eighty-seven".