1266679255 has 16 divisors (see below), whose sum is σ = 1574690400. Its totient is φ = 976993920.

The previous prime is 1266679229. The next prime is 1266679291. The reversal of 1266679255 is 5529766621.

It is a de Polignac number, because none of the positive numbers 2^k-1266679255 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1266679199 and 1266679208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101245 + ... + 113065.

It is an arithmetic number, because the mean of its divisors is an integer number (98418150).

Almost surely, 2^1266679255 is an apocalyptic number.

1266679255 is a deficient number, since it is larger than the sum of its proper divisors (308011145).

1266679255 is a wasteful number, since it uses less digits than its factorization.

1266679255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12594.

The product of its digits is 1360800, while the sum is 49.

The square root of 1266679255 is about 35590.4376904809. The cubic root of 1266679255 is about 1081.9874398201.

The spelling of 1266679255 in words is "one billion, two hundred sixty-six million, six hundred seventy-nine thousand, two hundred fifty-five".