1266752112 has 20 divisors (see below), whose sum is σ = 3272443080. Its totient is φ = 422250688.

The previous prime is 1266752107. The next prime is 1266752119. The reversal of 1266752112 is 2112576621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266752119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13195287 + ... + 13195382.

It is an arithmetic number, because the mean of its divisors is an integer number (163622154).

Almost surely, 2^1266752112 is an apocalyptic number.

1266752112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1266752112 is an abundant number, since it is smaller than the sum of its proper divisors (2005690968).

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

1266752112 is a wasteful number, since it uses less digits than its factorization.

1266752112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26390680 (or 26390674 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 1266752112 is about 35591.4612231642. The cubic root of 1266752112 is about 1082.0081840475.

It can be divided in two parts, 1266 and 752112, that added together give a triangular number (753378 = T₁₂₂₇).

The spelling of 1266752112 in words is "one billion, two hundred sixty-six million, seven hundred fifty-two thousand, one hundred twelve".