1366055 has 8 divisors (see below), whose sum is σ = 1674432. Its totient is φ = 1069408.

The previous prime is 1366031. The next prime is 1366087. The reversal of 1366055 is 5506631.

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

It is a cyclic number.

It is not a de Polignac number, because 1366055 - 2⁸ = 1365799 is a prime.

It is a super-2 number, since 2×1366055² = 3732212526050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672 + ... + 3141.

It is an arithmetic number, because the mean of its divisors is an integer number (209304).

2^1366055 is an apocalyptic number.

1366055 is a deficient number, since it is larger than the sum of its proper divisors (308377).

1366055 is an equidigital number, since it uses as much as digits as its factorization.

1366055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1366055 is about 1168.7835556680. The cubic root of 1366055 is about 110.9573463799.

The spelling of 1366055 in words is "one million, three hundred sixty-six thousand, fifty-five".