1287410801 has 2 divisors, whose sum is σ = 1287410802. Its totient is φ = 1287410800.

The previous prime is 1287410771. The next prime is 1287410851. The reversal of 1287410801 is 1080147821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1215568225 + 71842576 = 34865^2 + 8476^2 .

It is an emirp because it is prime and its reverse (1080147821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1287410801 - 2¹⁴ = 1287394417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1287410851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643705400 + 643705401.

It is an arithmetic number, because the mean of its divisors is an integer number (643705401).

Almost surely, 2^1287410801 is an apocalyptic number.

It is an amenable number.

1287410801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1287410801 is an equidigital number, since it uses as much as digits as its factorization.

1287410801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 1287410801 is about 35880.5072567265. The cubic root of 1287410801 is about 1087.8584332391.

The spelling of 1287410801 in words is "one billion, two hundred eighty-seven million, four hundred ten thousand, eight hundred one".