1266214733 has 24 divisors (see below), whose sum is σ = 1556236800. Its totient is φ = 1025551968.

The previous prime is 1266214727. The next prime is 1266214751. The reversal of 1266214733 is 3374126621.

It is not a de Polignac number, because 1266214733 - 2¹⁶ = 1266149197 is a prime.

It is a super-2 number, since 2×1266214733² = 3206599500132522578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1266214693 and 1266214702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266214633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57308 + ... + 76266.

It is an arithmetic number, because the mean of its divisors is an integer number (64843200).

Almost surely, 2^1266214733 is an apocalyptic number.

It is an amenable number.

1266214733 is a deficient number, since it is larger than the sum of its proper divisors (290022067).

1266214733 is a wasteful number, since it uses less digits than its factorization.

1266214733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19049 (or 19042 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 1266214733 is about 35583.9111537785. The cubic root of 1266214733 is about 1081.8551599712.

The spelling of 1266214733 in words is "one billion, two hundred sixty-six million, two hundred fourteen thousand, seven hundred thirty-three".