1355973 has 8 divisors (see below), whose sum is σ = 1903200. Its totient is φ = 856368.

The previous prime is 1355957. The next prime is 1355983. The reversal of 1355973 is 3795531.

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

It is not a de Polignac number, because 1355973 - 2⁴ = 1355957 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁶ + 5³ + 5³ + 9 + 7⁷ + 3¹² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355923) 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, 11838 + ... + 11951.

It is an arithmetic number, because the mean of its divisors is an integer number (237900).

2^1355973 is an apocalyptic number.

It is an amenable number.

1355973 is a deficient number, since it is larger than the sum of its proper divisors (547227).

1355973 is a wasteful number, since it uses less digits than its factorization.

1355973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23811.

The product of its digits is 14175, while the sum is 33.

The square root of 1355973 is about 1164.4625369672. The cubic root of 1355973 is about 110.6837030836.

The spelling of 1355973 in words is "one million, three hundred fifty-five thousand, nine hundred seventy-three".