1266545034 has 24 divisors (see below), whose sum is σ = 2760619680. Its totient is φ = 419652648.

The previous prime is 1266545023. The next prime is 1266545051. The reversal of 1266545034 is 4305456621.

It is a super-2 number, since 2×1266545034² = 3208272646300122312, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1266545034.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207664 + ... + 213675.

It is an arithmetic number, because the mean of its divisors is an integer number (115025820).

Almost surely, 2^1266545034 is an apocalyptic number.

1266545034 is an abundant number, since it is smaller than the sum of its proper divisors (1494074646).

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

1266545034 is a wasteful number, since it uses less digits than its factorization.

1266545034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421514 (or 421511 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1266545034 is about 35588.5520076330. The cubic root of 1266545034 is about 1081.9492216300.

The spelling of 1266545034 in words is "one billion, two hundred sixty-six million, five hundred forty-five thousand, thirty-four".