1268854031 has 2 divisors, whose sum is σ = 1268854032. Its totient is φ = 1268854030.

The previous prime is 1268854021. The next prime is 1268854039. The reversal of 1268854031 is 1304588621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1268854031 is a prime.

It is a super-2 number, since 2×1268854031² = 3219981103969897922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1268854039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634427015 + 634427016.

It is an arithmetic number, because the mean of its divisors is an integer number (634427016).

Almost surely, 2^1268854031 is an apocalyptic number.

1268854031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268854031 is an equidigital number, since it uses as much as digits as its factorization.

1268854031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1268854031 is about 35620.9774009642. The cubic root of 1268854031 is about 1082.6063112809.

The spelling of 1268854031 in words is "one billion, two hundred sixty-eight million, eight hundred fifty-four thousand, thirty-one".