1078128851 has 2 divisors, whose sum is σ = 1078128852. Its totient is φ = 1078128850.

The previous prime is 1078128839. The next prime is 1078128869. The reversal of 1078128851 is 1588218701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1078128851 - 2¹⁸ = 1077866707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1078128799 and 1078128808.

It is not a weakly prime, because it can be changed into another prime (1078128811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539064425 + 539064426.

It is an arithmetic number, because the mean of its divisors is an integer number (539064426).

Almost surely, 2^1078128851 is an apocalyptic number.

1078128851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078128851 is an equidigital number, since it uses as much as digits as its factorization.

1078128851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 41.

The square root of 1078128851 is about 32834.8724833827. The cubic root of 1078128851 is about 1025.3927033038.

The spelling of 1078128851 in words is "one billion, seventy-eight million, one hundred twenty-eight thousand, eight hundred fifty-one".