1366059 has 4 divisors (see below), whose sum is σ = 1821416. Its totient is φ = 910704.

The previous prime is 1366031. The next prime is 1366087. The reversal of 1366059 is 9506631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1366031) and next prime (1366087).

It is not a de Polignac number, because 1366059 - 2⁹ = 1365547 is a prime.

It is a super-2 number, since 2×1366059² = 3732234382962, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366009) 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, 227674 + ... + 227679.

It is an arithmetic number, because the mean of its divisors is an integer number (455354).

2^1366059 is an apocalyptic number.

1366059 is a deficient number, since it is larger than the sum of its proper divisors (455357).

1366059 is an equidigital number, since it uses as much as digits as its factorization.

1366059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455356.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 1366059 is about 1168.7852668476. The cubic root of 1366059 is about 110.9574546793.

The spelling of 1366059 in words is "one million, three hundred sixty-six thousand, fifty-nine".