1268633 has 2 divisors, whose sum is σ = 1268634. Its totient is φ = 1268632.

The previous prime is 1268627. The next prime is 1268669. The reversal of 1268633 is 3368621.

1268633 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1194649 + 73984 = 1093^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 1268633 - 2¹² = 1264537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1268596 and 1268605.

It is not a weakly prime, because it can be changed into another prime (1268623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634316 + 634317.

It is an arithmetic number, because the mean of its divisors is an integer number (634317).

2^1268633 is an apocalyptic number.

It is an amenable number.

1268633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268633 is an equidigital number, since it uses as much as digits as its factorization.

1268633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 1268633 is about 1126.3360954884. The cubic root of 1268633 is about 108.2543445250.

The spelling of 1268633 in words is "one million, two hundred sixty-eight thousand, six hundred thirty-three".