1285730801 has 2 divisors, whose sum is σ = 1285730802. Its totient is φ = 1285730800.

The previous prime is 1285730783. The next prime is 1285730819. The reversal of 1285730801 is 1080375821.

It is a balanced prime because it is at equal distance from previous prime (1285730783) and next prime (1285730819).

It can be written as a sum of positive squares in only one way, i.e., 1079779600 + 205951201 = 32860^2 + 14351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1285730801 - 2¹⁰ = 1285729777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1285730851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642865400 + 642865401.

It is an arithmetic number, because the mean of its divisors is an integer number (642865401).

Almost surely, 2^1285730801 is an apocalyptic number.

It is an amenable number.

1285730801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285730801 is an equidigital number, since it uses as much as digits as its factorization.

1285730801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1285730801 is about 35857.0885739487. The cubic root of 1285730801 is about 1087.3850288638.

The spelling of 1285730801 in words is "one billion, two hundred eighty-five million, seven hundred thirty thousand, eight hundred one".