1355601 has 8 divisors (see below), whose sum is σ = 1946560. Its totient is φ = 834192.

The previous prime is 1355591. The next prime is 1355609. The reversal of 1355601 is 1065531.

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 1355601 - 2⁹ = 1355089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355609) by changing a digit.

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, 17341 + ... + 17418.

It is an arithmetic number, because the mean of its divisors is an integer number (243320).

2^1355601 is an apocalyptic number.

It is an amenable number.

1355601 is a deficient number, since it is larger than the sum of its proper divisors (590959).

1355601 is a wasteful number, since it uses less digits than its factorization.

1355601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34775.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1355601 is about 1164.3027956679. The cubic root of 1355601 is about 110.6735804377.

The spelling of 1355601 in words is "one million, three hundred fifty-five thousand, six hundred one".