1268615 has 8 divisors (see below), whose sum is σ = 1528800. Its totient is φ = 1010592.

The previous prime is 1268599. The next prime is 1268621. The reversal of 1268615 is 5168621.

It is a happy number.

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 1268615 - 2⁴ = 1268599 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382 + ... + 2108.

It is an arithmetic number, because the mean of its divisors is an integer number (191100).

2^1268615 is an apocalyptic number.

1268615 is a deficient number, since it is larger than the sum of its proper divisors (260185).

1268615 is an equidigital number, since it uses as much as digits as its factorization.

1268615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its digits is 2880, while the sum is 29.

The square root of 1268615 is about 1126.3281049499. The cubic root of 1268615 is about 108.2538325336.

The spelling of 1268615 in words is "one million, two hundred sixty-eight thousand, six hundred fifteen".