1872255 has 32 divisors (see below), whose sum is σ = 3737088. Its totient is φ = 777600.

The previous prime is 1872253. The next prime is 1872259. The reversal of 1872255 is 5522781.

It is not a de Polignac number, because 1872255 - 2¹ = 1872253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872253) 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 31 ways as a sum of consecutive naturals, for example, 345 + ... + 1965.

It is an arithmetic number, because the mean of its divisors is an integer number (116784).

2^1872255 is an apocalyptic number.

1872255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1872255 is a deficient number, since it is larger than the sum of its proper divisors (1864833).

1872255 is a wasteful number, since it uses less digits than its factorization.

1872255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647.

The product of its digits is 5600, while the sum is 30.

The square root of 1872255 is about 1368.3036943603. The cubic root of 1872255 is about 123.2503987523.

It can be divided in two parts, 187 and 2255, that added together give a palindrome (2442).

The spelling of 1872255 in words is "one million, eight hundred seventy-two thousand, two hundred fifty-five".