1232145 has 16 divisors (see below), whose sum is σ = 2190720. Its totient is φ = 657072.

The previous prime is 1232089. The next prime is 1232171. The reversal of 1232145 is 5412321.

It is not a de Polignac number, because 1232145 - 2⁸ = 1231889 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4429 + ... + 4698.

It is an arithmetic number, because the mean of its divisors is an integer number (136920).

2^1232145 is an apocalyptic number.

1232145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1232145 is a deficient number, since it is larger than the sum of its proper divisors (958575).

1232145 is an equidigital number, since it uses as much as digits as its factorization.

1232145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141 (or 9135 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1232145 is about 1110.0202700852. The cubic root of 1232145 is about 107.2063737671.

Adding to 1232145 its reverse (5412321), we get a palindrome (6644466).

The spelling of 1232145 in words is "one million, two hundred thirty-two thousand, one hundred forty-five".