1340961 has 8 divisors (see below), whose sum is σ = 1793760. Its totient is φ = 891072.

The previous prime is 1340959. The next prime is 1340981. The reversal of 1340961 is 1690431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1340961 - 2¹ = 1340959 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825 + ... + 1833.

It is an arithmetic number, because the mean of its divisors is an integer number (224220).

2^1340961 is an apocalyptic number.

It is an amenable number.

1340961 is a deficient number, since it is larger than the sum of its proper divisors (452799).

1340961 is a wasteful number, since it uses less digits than its factorization.

1340961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1340961 is about 1157.9987046625. The cubic root of 1340961 is about 110.2737260037.

The spelling of 1340961 in words is "one million, three hundred forty thousand, nine hundred sixty-one".