1232155 has 8 divisors (see below), whose sum is σ = 1485792. Its totient is φ = 980928.

The previous prime is 1232089. The next prime is 1232171. The reversal of 1232155 is 5512321.

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 1232155 - 2¹¹ = 1230107 is a prime.

It is a Duffinian 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, 847 + ... + 1783.

It is an arithmetic number, because the mean of its divisors is an integer number (185724).

2^1232155 is an apocalyptic number.

1232155 is a deficient number, since it is larger than the sum of its proper divisors (253637).

1232155 is an equidigital number, since it uses as much as digits as its factorization.

1232155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205.

The product of its digits is 300, while the sum is 19.

The square root of 1232155 is about 1110.0247744983. The cubic root of 1232155 is about 107.2066637927.

Adding to 1232155 its reverse (5512321), we get a palindrome (6744476).

It can be divided in two parts, 123 and 2155, that added together give a triangular number (2278 = T₆₇).

The spelling of 1232155 in words is "one million, two hundred thirty-two thousand, one hundred fifty-five".