1226280711001 has 2 divisors, whose sum is σ = 1226280711002. Its totient is φ = 1226280711000.

The previous prime is 1226280710981. The next prime is 1226280711023. The reversal of 1226280711001 is 1001170826221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 694015621776 + 532265089225 = 833076^2 + 729565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226280711001 - 2¹³ = 1226280702809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1226280711091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613140355500 + 613140355501.

It is an arithmetic number, because the mean of its divisors is an integer number (613140355501).

Almost surely, 2^{1226280711001} is an apocalyptic number.

It is an amenable number.

1226280711001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226280711001 is an equidigital number, since it uses as much as digits as its factorization.

1226280711001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

The spelling of 1226280711001 in words is "one trillion, two hundred twenty-six billion, two hundred eighty million, seven hundred eleven thousand, one".