1266028295 has 16 divisors (see below), whose sum is σ = 1737387840. Its totient is φ = 867573504.

The previous prime is 1266028289. The next prime is 1266028319. The reversal of 1266028295 is 5928206621.

It is not a de Polignac number, because 1266028295 - 2²⁶ = 1198919431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47579 + ... + 69251.

It is an arithmetic number, because the mean of its divisors is an integer number (108586740).

Almost surely, 2^1266028295 is an apocalyptic number.

1266028295 is a deficient number, since it is larger than the sum of its proper divisors (471359545).

1266028295 is a wasteful number, since it uses less digits than its factorization.

1266028295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23354.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1266028295 is about 35581.2913621752. The cubic root of 1266028295 is about 1081.8020597591.

The spelling of 1266028295 in words is "one billion, two hundred sixty-six million, twenty-eight thousand, two hundred ninety-five".