1340941 has 4 divisors (see below), whose sum is σ = 1532512. Its totient is φ = 1149372.

The previous prime is 1340929. The next prime is 1340947. The reversal of 1340941 is 1490431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1490431 = 83 ⋅17957.

It is not a de Polignac number, because 1340941 - 2¹⁵ = 1308173 is a prime.

It is an Ulam number.

It is a Duffinian number.

1340941 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95775 + ... + 95788.

It is an arithmetic number, because the mean of its divisors is an integer number (383128).

2^1340941 is an apocalyptic number.

It is an amenable number.

1340941 is a deficient number, since it is larger than the sum of its proper divisors (191571).

1340941 is an equidigital number, since it uses as much as digits as its factorization.

1340941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191570.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1340941 is about 1157.9900690420. The cubic root of 1340941 is about 110.2731777687.

The spelling of 1340941 in words is "one million, three hundred forty thousand, nine hundred forty-one".