1232172 has 30 divisors (see below), whose sum is σ = 3221988. Its totient is φ = 410616.

The previous prime is 1232171. The next prime is 1232183. The reversal of 1232172 is 2712321.

1232172 is nontrivially palindromic in base 8.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1232171) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1578 + ... + 2225.

2^1232172 is an apocalyptic number.

1232172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232172 is an abundant number, since it is smaller than the sum of its proper divisors (1989816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232172 is a wasteful number, since it uses less digits than its factorization.

1232172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819 (or 3808 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 1232172 is about 1110.0324319586. The cubic root of 1232172 is about 107.2071568327.

Adding to 1232172 its reverse (2712321), we get a palindrome (3944493).

The spelling of 1232172 in words is "one million, two hundred thirty-two thousand, one hundred seventy-two".