1275342 has 8 divisors (see below), whose sum is σ = 2550696. Its totient is φ = 425112.

The previous prime is 1275341. The next prime is 1275349. The reversal of 1275342 is 2435721.

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

1275342 is an admirable number.

It is a d-powerful number, because it can be written as 1 + 2⁵ + 7⁵ + 5⁷ + 3⁶ + 4¹⁰ + 2¹⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106273 + ... + 106284.

It is an arithmetic number, because the mean of its divisors is an integer number (318837).

2^1275342 is an apocalyptic number.

1275342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1275342 is a wasteful number, since it uses less digits than its factorization.

1275342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212562.

The product of its digits is 1680, while the sum is 24.

The square root of 1275342 is about 1129.3104090550. The cubic root of 1275342 is about 108.4448387734. Note that the first 3 decimals are identical.

The spelling of 1275342 in words is "one million, two hundred seventy-five thousand, three hundred forty-two".