1268507 has 4 divisors (see below), whose sum is σ = 1271256. Its totient is φ = 1265760.

The previous prime is 1268479. The next prime is 1268537. The reversal of 1268507 is 7058621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7058621 = 17 ⋅415213.

It is a cyclic number.

It is not a de Polignac number, because 1268507 - 2¹² = 1264411 is a prime.

It is a super-2 number, since 2×1268507² = 3218220018098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1268507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (317814).

2^1268507 is an apocalyptic number.

1268507 is a deficient number, since it is larger than the sum of its proper divisors (2749).

1268507 is an equidigital number, since it uses as much as digits as its factorization.

1268507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1268507 is about 1126.2801605285. The cubic root of 1268507 is about 108.2507604837.

The spelling of 1268507 in words is "one million, two hundred sixty-eight thousand, five hundred seven".