1371115 has 4 divisors (see below), whose sum is σ = 1645344. Its totient is φ = 1096888.

The previous prime is 1371113. The next prime is 1371119. The reversal of 1371115 is 5111731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5111731 = 631 ⋅8101.

It is a cyclic number.

It is not a de Polignac number, because 1371115 - 2¹ = 1371113 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1371092 and 1371101.

It is not an unprimeable number, because it can be changed into a prime (1371113) 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, 137107 + ... + 137116.

It is an arithmetic number, because the mean of its divisors is an integer number (411336).

2^1371115 is an apocalyptic number.

1371115 is a deficient number, since it is larger than the sum of its proper divisors (274229).

1371115 is an equidigital number, since it uses as much as digits as its factorization.

1371115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274228.

The product of its digits is 105, while the sum is 19.

The square root of 1371115 is about 1170.9461985933. The cubic root of 1371115 is about 111.0941764932.

Adding to 1371115 its reverse (5111731), we get a palindrome (6482846).

The spelling of 1371115 in words is "one million, three hundred seventy-one thousand, one hundred fifteen".