1240595 has 4 divisors (see below), whose sum is σ = 1488720. Its totient is φ = 992472.

The previous prime is 1240559. The next prime is 1240607. The reversal of 1240595 is 5950421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5950421 = 607 ⋅9803.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240595 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 124055 + ... + 124064.

It is an arithmetic number, because the mean of its divisors is an integer number (372180).

2^1240595 is an apocalyptic number.

1240595 is a deficient number, since it is larger than the sum of its proper divisors (248125).

1240595 is an equidigital number, since it uses as much as digits as its factorization.

1240595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248124.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1240595 is about 1113.8200034117. The cubic root of 1240595 is about 107.4508879683.

The spelling of 1240595 in words is "one million, two hundred forty thousand, five hundred ninety-five".