1266515230 has 32 divisors (see below), whose sum is σ = 2360567808. Its totient is φ = 488743200.

The previous prime is 1266515227. The next prime is 1266515267. The reversal of 1266515230 is 325156621.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 1266515192 and 1266515201.

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, 96439 + ... + 108781.

It is an arithmetic number, because the mean of its divisors is an integer number (73767744).

Almost surely, 2^1266515230 is an apocalyptic number.

1266515230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1266515230 is a deficient number, since it is larger than the sum of its proper divisors (1094052578).

1266515230 is a wasteful number, since it uses less digits than its factorization.

1266515230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12712.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1266515230 is about 35588.1332750118. The cubic root of 1266515230 is about 1081.9407348499.

The spelling of 1266515230 in words is "one billion, two hundred sixty-six million, five hundred fifteen thousand, two hundred thirty".