1026803851 has 2 divisors, whose sum is σ = 1026803852. Its totient is φ = 1026803850.

The previous prime is 1026803831. The next prime is 1026803857. The reversal of 1026803851 is 1583086201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1026803851 - 2²¹ = 1024706699 is a prime.

It is a super-2 number, since 2×1026803851² = 2108652296856860402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1026803857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513401925 + 513401926.

It is an arithmetic number, because the mean of its divisors is an integer number (513401926).

Almost surely, 2^1026803851 is an apocalyptic number.

1026803851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026803851 is an equidigital number, since it uses as much as digits as its factorization.

1026803851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1026803851 is about 32043.7802233132. The cubic root of 1026803851 is about 1008.8559574985.

The spelling of 1026803851 in words is "one billion, twenty-six million, eight hundred three thousand, eight hundred fifty-one".