1266234201 has 40 divisors (see below), whose sum is σ = 1982955744. Its totient is φ = 804323520.

The previous prime is 1266234197. The next prime is 1266234251. The reversal of 1266234201 is 1024326621.

1266234201 is a `hidden beast` number, since 12 + 6 + 623 + 4 + 20 + 1 = 666.

It is not a de Polignac number, because 1266234201 - 2² = 1266234197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1266234251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 138370 + ... + 147236.

Almost surely, 2^1266234201 is an apocalyptic number.

It is an amenable number.

1266234201 is a deficient number, since it is larger than the sum of its proper divisors (716721543).

1266234201 is an equidigital number, since it uses as much as digits as its factorization.

1266234201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963 (or 8954 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1266234201 is about 35584.1847033201. The cubic root of 1266234201 is about 1081.8607044358.

The spelling of 1266234201 in words is "one billion, two hundred sixty-six million, two hundred thirty-four thousand, two hundred one".