1341278 has 4 divisors (see below), whose sum is σ = 2011920. Its totient is φ = 670638.

The previous prime is 1341259. The next prime is 1341293. The reversal of 1341278 is 8721431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8721431 = 29 ⋅300739.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 335318 + ... + 335321.

It is an arithmetic number, because the mean of its divisors is an integer number (502980).

2^1341278 is an apocalyptic number.

1341278 is a deficient number, since it is larger than the sum of its proper divisors (670642).

1341278 is an equidigital number, since it uses as much as digits as its factorization.

1341278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670641.

The product of its digits is 1344, while the sum is 26.

The square root of 1341278 is about 1158.1355706479. The cubic root of 1341278 is about 110.2824148015.

The spelling of 1341278 in words is "one million, three hundred forty-one thousand, two hundred seventy-eight".