1340461 has 4 divisors (see below), whose sum is σ = 1344672. Its totient is φ = 1336252.

The previous prime is 1340459. The next prime is 1340477. The reversal of 1340461 is 1640431.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1340461 - 2¹ = 1340459 is a prime.

It is a Duffinian number.

1340461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340401) 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, 1585 + ... + 2278.

It is an arithmetic number, because the mean of its divisors is an integer number (336168).

2^1340461 is an apocalyptic number.

It is an amenable number.

1340461 is a deficient number, since it is larger than the sum of its proper divisors (4211).

1340461 is an equidigital number, since it uses as much as digits as its factorization.

1340461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1340461 is about 1157.7827948281. The cubic root of 1340461 is about 110.2600184917.

Adding to 1340461 its reverse (1640431), we get a palindrome (2980892).

The spelling of 1340461 in words is "one million, three hundred forty thousand, four hundred sixty-one".