1340575 has 6 divisors (see below), whose sum is σ = 1662344. Its totient is φ = 1072440.

The previous prime is 1340561. The next prime is 1340587. The reversal of 1340575 is 5750431.

It is not a de Polignac number, because 1340575 - 2⁷ = 1340447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 53623 = 1340575 / (1 + 3 + 4 + 0 + 5 + 7 + 5).

It is a Duffinian number.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26787 + ... + 26836.

2^1340575 is an apocalyptic number.

1340575 is a deficient number, since it is larger than the sum of its proper divisors (321769).

1340575 is an equidigital number, since it uses as much as digits as its factorization.

1340575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53633 (or 53628 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 1340575 is about 1157.8320258138. The cubic root of 1340575 is about 110.2631441044.

The spelling of 1340575 in words is "one million, three hundred forty thousand, five hundred seventy-five".