1368257 has 8 divisors (see below), whose sum is σ = 1503360. Its totient is φ = 1234960.

The previous prime is 1368253. The next prime is 1368259. The reversal of 1368257 is 7528631.

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 1368257 - 2² = 1368253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368251) 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, 1544 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (187920).

2^1368257 is an apocalyptic number.

It is an amenable number.

1368257 is a deficient number, since it is larger than the sum of its proper divisors (135103).

1368257 is a wasteful number, since it uses less digits than its factorization.

1368257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its digits is 10080, while the sum is 32.

The square root of 1368257 is about 1169.7251813995. The cubic root of 1368257 is about 111.0169332714.

The spelling of 1368257 in words is "one million, three hundred sixty-eight thousand, two hundred fifty-seven".