1380111 has 8 divisors (see below), whose sum is σ = 1948464. Its totient is φ = 865920.

The previous prime is 1380083. The next prime is 1380149. The reversal of 1380111 is 1110831.

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

It is not a de Polignac number, because 1380111 - 2⁶ = 1380047 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13480 + ... + 13581.

It is an arithmetic number, because the mean of its divisors is an integer number (243558).

2^1380111 is an apocalyptic number.

1380111 is a deficient number, since it is larger than the sum of its proper divisors (568353).

1380111 is a wasteful number, since it uses less digits than its factorization.

1380111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27081.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1380111 is about 1174.7812562345. The cubic root of 1380111 is about 111.3366131041.

Adding to 1380111 its reverse (1110831), we get a palindrome (2490942).

The spelling of 1380111 in words is "one million, three hundred eighty thousand, one hundred eleven".