1368121367 has 4 divisors (see below), whose sum is σ = 1380907656. Its totient is φ = 1355335080.

The previous prime is 1368121331. The next prime is 1368121373. The reversal of 1368121367 is 7631218631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7631218631 = 26183 ⋅291457.

It is a cyclic number.

It is not a de Polignac number, because 1368121367 - 2¹⁰ = 1368120343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1368121367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368121387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6392984 + ... + 6393197.

It is an arithmetic number, because the mean of its divisors is an integer number (345226914).

Almost surely, 2^1368121367 is an apocalyptic number.

1368121367 is a deficient number, since it is larger than the sum of its proper divisors (12786289).

1368121367 is a wasteful number, since it uses less digits than its factorization.

1368121367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12786288.

The product of its digits is 36288, while the sum is 38.

The square root of 1368121367 is about 36988.1246753603. The cubic root of 1368121367 is about 1110.1326484334.

Adding to 1368121367 its reverse (7631218631), we get a palindrome (8999339998).

The spelling of 1368121367 in words is "one billion, three hundred sixty-eight million, one hundred twenty-one thousand, three hundred sixty-seven".