1262669 has 2 divisors, whose sum is σ = 1262670. Its totient is φ = 1262668.

The previous prime is 1262633. The next prime is 1262671. The reversal of 1262669 is 9662621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 855625 + 407044 = 925^2 + 638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1262669 is a prime.

It is a super-2 number, since 2×1262669² = 3188666007122, which contains 22 as substring.

Together with 1262671, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1262629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631334 + 631335.

It is an arithmetic number, because the mean of its divisors is an integer number (631335).

2^1262669 is an apocalyptic number.

It is an amenable number.

1262669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262669 is an equidigital number, since it uses as much as digits as its factorization.

1262669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 1262669 is about 1123.6854542086. The cubic root of 1262669 is about 108.0844389945.

The spelling of 1262669 in words is "one million, two hundred sixty-two thousand, six hundred sixty-nine".