1232420 has 24 divisors (see below), whose sum is σ = 2958144. Its totient is φ = 422496.

The previous prime is 1232417. The next prime is 1232431. The reversal of 1232420 is 242321.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1232395 and 1232404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4262 + ... + 4541.

It is an arithmetic number, because the mean of its divisors is an integer number (123256).

2^1232420 is an apocalyptic number.

1232420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232420 is an abundant number, since it is smaller than the sum of its proper divisors (1725724).

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

1232420 is a wasteful number, since it uses less digits than its factorization.

1232420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8819 (or 8817 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1232420 is about 1110.1441347861. The cubic root of 1232420 is about 107.2143488998.

Adding to 1232420 its reverse (242321), we get a palindrome (1474741).

Subtracting from 1232420 its reverse (242321), we obtain a palindrome (990099).

The spelling of 1232420 in words is "one million, two hundred thirty-two thousand, four hundred twenty".