1282667851 has 2 divisors, whose sum is σ = 1282667852. Its totient is φ = 1282667850.

The previous prime is 1282667831. The next prime is 1282667861. The reversal of 1282667851 is 1587662821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1282667851 - 2¹¹ = 1282665803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1282667831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641333925 + 641333926.

It is an arithmetic number, because the mean of its divisors is an integer number (641333926).

Almost surely, 2^1282667851 is an apocalyptic number.

1282667851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282667851 is an equidigital number, since it uses as much as digits as its factorization.

1282667851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 46.

The square root of 1282667851 is about 35814.3525838455. The cubic root of 1282667851 is about 1086.5208629302.

The spelling of 1282667851 in words is "one billion, two hundred eighty-two million, six hundred sixty-seven thousand, eight hundred fifty-one".