1266154332 has 12 divisors (see below), whose sum is σ = 2954360136. Its totient is φ = 422051440.

The previous prime is 1266154327. The next prime is 1266154349. The reversal of 1266154332 is 2334516621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1266154293 and 1266154302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52756419 + ... + 52756442.

It is an arithmetic number, because the mean of its divisors is an integer number (246196678).

Almost surely, 2^1266154332 is an apocalyptic number.

1266154332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1266154332 is an abundant number, since it is smaller than the sum of its proper divisors (1688205804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266154332 is a wasteful number, since it uses less digits than its factorization.

1266154332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105512868 (or 105512866 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 1266154332 is about 35583.0624314434. The cubic root of 1266154332 is about 1081.8379574723.

The spelling of 1266154332 in words is "one billion, two hundred sixty-six million, one hundred fifty-four thousand, three hundred thirty-two".