1355206 has 16 divisors (see below), whose sum is σ = 2247264. Its totient is φ = 609664.

The previous prime is 1355191. The next prime is 1355219. The reversal of 1355206 is 6025531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 85 + ... + 1648.

It is an arithmetic number, because the mean of its divisors is an integer number (140454).

2^1355206 is an apocalyptic number.

1355206 is a deficient number, since it is larger than the sum of its proper divisors (892058).

1355206 is a wasteful number, since it uses less digits than its factorization.

1355206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1355206 is about 1164.1331538961. The cubic root of 1355206 is about 110.6628299020.

The spelling of 1355206 in words is "one million, three hundred fifty-five thousand, two hundred six".