1366115 has 8 divisors (see below), whose sum is σ = 1645728. Its totient is φ = 1088640.

The previous prime is 1366109. The next prime is 1366117. The reversal of 1366115 is 5116631.

It is a happy number.

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

It is not a de Polignac number, because 1366115 - 2¹² = 1362019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366117) 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, 1850 + ... + 2480.

It is an arithmetic number, because the mean of its divisors is an integer number (205716).

2^1366115 is an apocalyptic number.

1366115 is a deficient number, since it is larger than the sum of its proper divisors (279613).

1366115 is an equidigital number, since it uses as much as digits as its factorization.

1366115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069.

The product of its digits is 540, while the sum is 23.

The square root of 1366115 is about 1168.8092230984. The cubic root of 1366115 is about 110.9589708492.

The spelling of 1366115 in words is "one million, three hundred sixty-six thousand, one hundred fifteen".