1285026367 has 2 divisors, whose sum is σ = 1285026368. Its totient is φ = 1285026366.

The previous prime is 1285026349. The next prime is 1285026419. The reversal of 1285026367 is 7636205821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1285026367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1285026467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642513183 + 642513184.

It is an arithmetic number, because the mean of its divisors is an integer number (642513184).

Almost surely, 2^1285026367 is an apocalyptic number.

1285026367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285026367 is an equidigital number, since it uses as much as digits as its factorization.

1285026367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1285026367 is about 35847.2644284051. The cubic root of 1285026367 is about 1087.1864048804.

The spelling of 1285026367 in words is "one billion, two hundred eighty-five million, twenty-six thousand, three hundred sixty-seven".