1205342 has 8 divisors (see below), whose sum is σ = 1866432. Its totient is φ = 583200.

The previous prime is 1205339. The next prime is 1205377. The reversal of 1205342 is 2435021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1205342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9659 + ... + 9782.

It is an arithmetic number, because the mean of its divisors is an integer number (233304).

2^1205342 is an apocalyptic number.

1205342 is a deficient number, since it is larger than the sum of its proper divisors (661090).

1205342 is a wasteful number, since it uses less digits than its factorization.

1205342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19474.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1205342 is about 1097.8806856849. The cubic root of 1205342 is about 106.4233102300.

The spelling of 1205342 in words is "one million, two hundred five thousand, three hundred forty-two".