1263267 has 6 divisors (see below), whose sum is σ = 1824732. Its totient is φ = 842172.

The previous prime is 1263263. The next prime is 1263299. The reversal of 1263267 is 7623621.

It is a happy number.

It is not a de Polignac number, because 1263267 - 2² = 1263263 is a prime.

It is a d-powerful number, because it can be written as 1 + 2¹⁷ + 6³ + 3¹¹ + 2¹⁷ + 6³ + 7⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 1263267.

It is not an unprimeable number, because it can be changed into a prime (1263263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70173 + ... + 70190.

It is an arithmetic number, because the mean of its divisors is an integer number (304122).

2^1263267 is an apocalyptic number.

1263267 is a deficient number, since it is larger than the sum of its proper divisors (561465).

1263267 is a wasteful number, since it uses less digits than its factorization.

1263267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140369 (or 140366 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1263267 is about 1123.9515114096. The cubic root of 1263267 is about 108.1014992306.

Adding to 1263267 its reverse (7623621), we get a palindrome (8886888).

The spelling of 1263267 in words is "one million, two hundred sixty-three thousand, two hundred sixty-seven".