1268915 has 16 divisors (see below), whose sum is σ = 1650720. Its totient is φ = 935712.

The previous prime is 1268899. The next prime is 1268921. The reversal of 1268915 is 5198621.

It is not a de Polignac number, because 1268915 - 2⁴ = 1268899 is a prime.

It is a super-2 number, since 2×1268915² = 3220290554450, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34277 + ... + 34313.

It is an arithmetic number, because the mean of its divisors is an integer number (103170).

2^1268915 is an apocalyptic number.

1268915 is a deficient number, since it is larger than the sum of its proper divisors (381805).

1268915 is an frugal number, since it uses more digits than its factorization.

1268915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 61 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 1268915 is about 1126.4612731914. The cubic root of 1268915 is about 108.2623650908.

The spelling of 1268915 in words is "one million, two hundred sixty-eight thousand, nine hundred fifteen".