1266852355 has 16 divisors (see below), whose sum is σ = 1571318784. Its totient is φ = 979503840.

The previous prime is 1266852337. The next prime is 1266852371. The reversal of 1266852355 is 5532586621.

It is not a de Polignac number, because 1266852355 - 2¹⁹ = 1266328067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123244 + ... + 133126.

It is an arithmetic number, because the mean of its divisors is an integer number (98207424).

Almost surely, 2^1266852355 is an apocalyptic number.

1266852355 is a deficient number, since it is larger than the sum of its proper divisors (304466429).

1266852355 is an equidigital number, since it uses as much as digits as its factorization.

1266852355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10746.

The product of its digits is 432000, while the sum is 43.

The square root of 1266852355 is about 35592.8694403809. The cubic root of 1266852355 is about 1082.0367244606.

The spelling of 1266852355 in words is "one billion, two hundred sixty-six million, eight hundred fifty-two thousand, three hundred fifty-five".