1240322 has 4 divisors (see below), whose sum is σ = 1860486. Its totient is φ = 620160.

The previous prime is 1240319. The next prime is 1240333. The reversal of 1240322 is 2230421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2230421 = 151 ⋅14771.

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 160801 = 1039^2 + 401^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1240297 and 1240306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310079 + ... + 310082.

2^1240322 is an apocalyptic number.

1240322 is a deficient number, since it is larger than the sum of its proper divisors (620164).

1240322 is an equidigital number, since it uses as much as digits as its factorization.

1240322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620163.

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

The square root of 1240322 is about 1113.6974454492. The cubic root of 1240322 is about 107.4430056633.

Adding to 1240322 its reverse (2230421), we get a palindrome (3470743).

Subtracting 1240322 from its reverse (2230421), we obtain a palindrome (990099).

The spelling of 1240322 in words is "one million, two hundred forty thousand, three hundred twenty-two".