1266067121 has 8 divisors (see below), whose sum is σ = 1394073504. Its totient is φ = 1140212320.

The previous prime is 1266067093. The next prime is 1266067141. The reversal of 1266067121 is 1217606621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1266067121 - 2⁶ = 1266067057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1266067141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536660 + ... + 539013.

It is an arithmetic number, because the mean of its divisors is an integer number (174259188).

Almost surely, 2^1266067121 is an apocalyptic number.

1266067121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1266067121 is a deficient number, since it is larger than the sum of its proper divisors (128006383).

1266067121 is a wasteful number, since it uses less digits than its factorization.

1266067121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075791.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1266067121 is about 35581.8369537043. The cubic root of 1266067121 is about 1081.8131183897.

The spelling of 1266067121 in words is "one billion, two hundred sixty-six million, sixty-seven thousand, one hundred twenty-one".