1266679151 has 2 divisors, whose sum is σ = 1266679152. Its totient is φ = 1266679150.

The previous prime is 1266679147. The next prime is 1266679199. The reversal of 1266679151 is 1519766621.

It is a weak prime.

It is an emirp because it is prime and its reverse (1519766621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1266679151 - 2² = 1266679147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1266679451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633339575 + 633339576.

It is an arithmetic number, because the mean of its divisors is an integer number (633339576).

Almost surely, 2^1266679151 is an apocalyptic number.

1266679151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266679151 is an equidigital number, since it uses as much as digits as its factorization.

1266679151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 44.

The square root of 1266679151 is about 35590.4362294142. The cubic root of 1266679151 is about 1081.9874102081.

The spelling of 1266679151 in words is "one billion, two hundred sixty-six million, six hundred seventy-nine thousand, one hundred fifty-one".