1286800231 has 2 divisors, whose sum is σ = 1286800232. Its totient is φ = 1286800230.

The previous prime is 1286800223. The next prime is 1286800243. The reversal of 1286800231 is 1320086821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1286800231 - 2³ = 1286800223 is a prime.

It is a super-2 number, since 2×1286800231² = 3311709669003306722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1286800193 and 1286800202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1286800201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643400115 + 643400116.

It is an arithmetic number, because the mean of its divisors is an integer number (643400116).

Almost surely, 2^1286800231 is an apocalyptic number.

1286800231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1286800231 is an equidigital number, since it uses as much as digits as its factorization.

1286800231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1286800231 is about 35871.9978674174. The cubic root of 1286800231 is about 1087.6864294118.

The spelling of 1286800231 in words is "one billion, two hundred eighty-six million, eight hundred thousand, two hundred thirty-one".