1231324 has 6 divisors (see below), whose sum is σ = 2154824. Its totient is φ = 615660.

The previous prime is 1231319. The next prime is 1231337. The reversal of 1231324 is 4231321.

1231324 = T₄₄₇ + T₄₄₈ + ... + T₄₅₈.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1231298 and 1231307.

It is a congruent 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 as a sum of consecutive naturals, namely, 153912 + ... + 153919.

2^1231324 is an apocalyptic number.

It is an amenable number.

1231324 is a deficient number, since it is larger than the sum of its proper divisors (923500).

1231324 is a wasteful number, since it uses less digits than its factorization.

1231324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307835 (or 307833 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 1231324 is about 1109.6503953949. The cubic root of 1231324 is about 107.1825573091.

Adding to 1231324 its reverse (4231321), we get a palindrome (5462645).

It can be divided in two parts, 123132 and 4, that multiplied together give a triangular number (492528 = T₉₉₂).

The spelling of 1231324 in words is "one million, two hundred thirty-one thousand, three hundred twenty-four".