1403255 has 8 divisors (see below), whose sum is σ = 1924512. Its totient is φ = 962208.

The previous prime is 1403251. The next prime is 1403257. The reversal of 1403255 is 5523041.

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 1403255 - 2² = 1403251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20012 + ... + 20081.

It is an arithmetic number, because the mean of its divisors is an integer number (240564).

2^1403255 is an apocalyptic number.

1403255 is a deficient number, since it is larger than the sum of its proper divisors (521257).

1403255 is an equidigital number, since it uses as much as digits as its factorization.

1403255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40105.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1403255 is about 1184.5906465948. The cubic root of 1403255 is about 111.9555254966.

Adding to 1403255 its reverse (5523041), we get a palindrome (6926296).

The spelling of 1403255 in words is "one million, four hundred three thousand, two hundred fifty-five".