1340075 has 18 divisors (see below), whose sum is σ = 1830612. Its totient is φ = 972400.

The previous prime is 1340071. The next prime is 1340083. The reversal of 1340075 is 5700431.

It is a happy number.

It is not a de Polignac number, because 1340075 - 2² = 1340071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2804 + ... + 3246.

2^1340075 is an apocalyptic number.

1340075 is a deficient number, since it is larger than the sum of its proper divisors (490537).

1340075 is a wasteful number, since it uses less digits than its factorization.

1340075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1340075 is about 1157.6160848917. The cubic root of 1340075 is about 110.2494339607.

The spelling of 1340075 in words is "one million, three hundred forty thousand, seventy-five".