1340922 has 24 divisors (see below), whose sum is σ = 2949408. Its totient is φ = 406120.

The previous prime is 1340903. The next prime is 1340929. The reversal of 1340922 is 2290431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198 + ... + 1649.

It is an arithmetic number, because the mean of its divisors is an integer number (122892).

2^1340922 is an apocalyptic number.

1340922 is an abundant number, since it is smaller than the sum of its proper divisors (1608486).

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

1340922 is a wasteful number, since it uses less digits than its factorization.

1340922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1340922 is about 1157.9818651430. The cubic root of 1340922 is about 110.2726569403.

It can be divided in two parts, 13409 and 22, that added together give a palindrome (13431).

The spelling of 1340922 in words is "one million, three hundred forty thousand, nine hundred twenty-two".