1268696355 has 16 divisors (see below), whose sum is σ = 2045412864. Its totient is φ = 671471840.

The previous prime is 1268696327. The next prime is 1268696371. The reversal of 1268696355 is 5536968621.

1268696355 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1268696355 - 2⁹ = 1268695843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1268696298 and 1268696307.

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, 320859 + ... + 324788.

It is an arithmetic number, because the mean of its divisors is an integer number (127838304).

Almost surely, 2^1268696355 is an apocalyptic number.

1268696355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1268696355 is a deficient number, since it is larger than the sum of its proper divisors (776716509).

1268696355 is a wasteful number, since it uses less digits than its factorization.

1268696355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645786.

The product of its digits is 2332800, while the sum is 51.

The square root of 1268696355 is about 35618.7640858017. The cubic root of 1268696355 is about 1082.5614655383.

The spelling of 1268696355 in words is "one billion, two hundred sixty-eight million, six hundred ninety-six thousand, three hundred fifty-five".