1288526201 has 2 divisors, whose sum is σ = 1288526202. Its totient is φ = 1288526200.

The previous prime is 1288526179. The next prime is 1288526233. The reversal of 1288526201 is 1026258821.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1223320576 + 65205625 = 34976^2 + 8075^2 .

It is a cyclic number.

It is not a de Polignac number, because 1288526201 - 2⁶ = 1288526137 is a prime.

It is a super-3 number, since 3×1288526201³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1288526251) 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, 644263100 + 644263101.

It is an arithmetic number, because the mean of its divisors is an integer number (644263101).

Almost surely, 2^1288526201 is an apocalyptic number.

It is an amenable number.

1288526201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288526201 is an equidigital number, since it uses as much as digits as its factorization.

1288526201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 1288526201 is about 35896.0471500693. The cubic root of 1288526201 is about 1088.1725124848.

The spelling of 1288526201 in words is "one billion, two hundred eighty-eight million, five hundred twenty-six thousand, two hundred one".