1266036041 has 2 divisors, whose sum is σ = 1266036042. Its totient is φ = 1266036040.

The previous prime is 1266036017. The next prime is 1266036059. The reversal of 1266036041 is 1406306621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1188525625 + 77510416 = 34475^2 + 8804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1266036041 - 2¹⁸ = 1265773897 is a prime.

It is a super-2 number, since 2×1266036041² = 3205694514221907362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1266035995 and 1266036013.

It is not a weakly prime, because it can be changed into another prime (1266036011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633018020 + 633018021.

It is an arithmetic number, because the mean of its divisors is an integer number (633018021).

Almost surely, 2^1266036041 is an apocalyptic number.

It is an amenable number.

1266036041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266036041 is an equidigital number, since it uses as much as digits as its factorization.

1266036041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1266036041 is about 35581.4002113464. The cubic root of 1266036041 is about 1081.8042660346.

The spelling of 1266036041 in words is "one billion, two hundred sixty-six million, thirty-six thousand, forty-one".