1026105851 has 2 divisors, whose sum is σ = 1026105852. Its totient is φ = 1026105850.

The previous prime is 1026105841. The next prime is 1026105863. The reversal of 1026105851 is 1585016201.

It is a weak prime.

It is an emirp because it is prime and its reverse (1585016201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026105851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1026105841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513052925 + 513052926.

It is an arithmetic number, because the mean of its divisors is an integer number (513052926).

Almost surely, 2^1026105851 is an apocalyptic number.

1026105851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026105851 is an equidigital number, since it uses as much as digits as its factorization.

1026105851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 1026105851 is about 32032.8870225586. The cubic root of 1026105851 is about 1008.6273058819.

The spelling of 1026105851 in words is "one billion, twenty-six million, one hundred five thousand, eight hundred fifty-one".