1266235132 has 12 divisors (see below), whose sum is σ = 2217796056. Its totient is φ = 632579120.

The previous prime is 1266235121. The next prime is 1266235141. The reversal of 1266235132 is 2315326621.

It is a happy number.

It is a super-2 number, since 2×1266235132² = 3206702819022114848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1266235094 and 1266235103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129298 + ... + 138745.

It is an arithmetic number, because the mean of its divisors is an integer number (184816338).

Almost surely, 2^1266235132 is an apocalyptic number.

It is an amenable number.

1266235132 is a deficient number, since it is larger than the sum of its proper divisors (951560924).

1266235132 is a wasteful number, since it uses less digits than its factorization.

1266235132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269228 (or 269226 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 1266235132 is about 35584.1977849719. The cubic root of 1266235132 is about 1081.8609695821.

The spelling of 1266235132 in words is "one billion, two hundred sixty-six million, two hundred thirty-five thousand, one hundred thirty-two".