1268015 has 8 divisors (see below), whose sum is σ = 1739040. Its totient is φ = 869472.

The previous prime is 1268011. The next prime is 1268017. The reversal of 1268015 is 5108621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1268015 - 2² = 1268011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18080 + ... + 18149.

It is an arithmetic number, because the mean of its divisors is an integer number (217380).

2^1268015 is an apocalyptic number.

1268015 is a deficient number, since it is larger than the sum of its proper divisors (471025).

1268015 is an equidigital number, since it uses as much as digits as its factorization.

1268015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36241.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1268015 is about 1126.0617212214. The cubic root of 1268015 is about 108.2367633828.

Subtracting 1268015 from its reverse (5108621), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 1268015 in words is "one million, two hundred sixty-eight thousand, fifteen".