1268888275 has 6 divisors (see below), whose sum is σ = 1573421492. Its totient is φ = 1015110600.

The previous prime is 1268888273. The next prime is 1268888297. The reversal of 1268888275 is 5728888621.

It is not a de Polignac number, because 1268888275 - 2¹ = 1268888273 is a prime.

It is a super-2 number, since 2×1268888275² = 3220154908864951250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268888273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25377741 + ... + 25377790.

Almost surely, 2^1268888275 is an apocalyptic number.

1268888275 is a deficient number, since it is larger than the sum of its proper divisors (304533217).

1268888275 is an equidigital number, since it uses as much as digits as its factorization.

1268888275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50755541 (or 50755536 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 55.

The square root of 1268888275 is about 35621.4580695401. The cubic root of 1268888275 is about 1082.6160503673.

The spelling of 1268888275 in words is "one billion, two hundred sixty-eight million, eight hundred eighty-eight thousand, two hundred seventy-five".