1268361295 has 16 divisors (see below), whose sum is σ = 1566277920. Its totient is φ = 985302144.

The previous prime is 1268361293. The next prime is 1268361307. The reversal of 1268361295 is 5921638621.

It is a cyclic number.

It is not a de Polignac number, because 1268361295 - 2¹ = 1268361293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268361293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90201 + ... + 103309.

It is an arithmetic number, because the mean of its divisors is an integer number (97892370).

Almost surely, 2^1268361295 is an apocalyptic number.

1268361295 is a deficient number, since it is larger than the sum of its proper divisors (297916625).

1268361295 is a wasteful number, since it uses less digits than its factorization.

1268361295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13674.

The product of its digits is 155520, while the sum is 43.

The square root of 1268361295 is about 35614.0603554270. The cubic root of 1268361295 is about 1082.4661564232.

The spelling of 1268361295 in words is "one billion, two hundred sixty-eight million, three hundred sixty-one thousand, two hundred ninety-five".