1300226261 has 2 divisors, whose sum is σ = 1300226262. Its totient is φ = 1300226260.

The previous prime is 1300226243. The next prime is 1300226309. The reversal of 1300226261 is 1626220031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1163219236 + 137007025 = 34106^2 + 11705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300226261 - 2²⁶ = 1233117397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300226231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650113130 + 650113131.

It is an arithmetic number, because the mean of its divisors is an integer number (650113131).

Almost surely, 2^1300226261 is an apocalyptic number.

It is an amenable number.

1300226261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300226261 is an equidigital number, since it uses as much as digits as its factorization.

1300226261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1300226261 is about 36058.6502936535. The cubic root of 1300226261 is about 1091.4561972458.

Adding to 1300226261 its reverse (1626220031), we get a palindrome (2926446292).

The spelling of 1300226261 in words is "one billion, three hundred million, two hundred twenty-six thousand, two hundred sixty-one".