1368999 has 6 divisors (see below), whose sum is σ = 1977456. Its totient is φ = 912660.

The previous prime is 1368989. The next prime is 1369009. The reversal of 1368999 is 9998631.

It is an interprime number because it is at equal distance from previous prime (1368989) and next prime (1369009).

It is not a de Polignac number, because 1368999 - 2⁵ = 1368967 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76047 + ... + 76064.

It is an arithmetic number, because the mean of its divisors is an integer number (329576).

2^1368999 is an apocalyptic number.

1368999 is a deficient number, since it is larger than the sum of its proper divisors (608457).

1368999 is a wasteful number, since it uses less digits than its factorization.

1368999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152117 (or 152114 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 1368999 is about 1170.0423069274. The cubic root of 1368999 is about 111.0369976498.

The spelling of 1368999 in words is "one million, three hundred sixty-eight thousand, nine hundred ninety-nine".