1361278 has 16 divisors (see below), whose sum is σ = 2159136. Its totient is φ = 642400.

The previous prime is 1361273. The next prime is 1361279. The reversal of 1361278 is 8721631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4500 + ... + 4792.

It is an arithmetic number, because the mean of its divisors is an integer number (134946).

2^1361278 is an apocalyptic number.

1361278 is a deficient number, since it is larger than the sum of its proper divisors (797858).

1361278 is a wasteful number, since it uses less digits than its factorization.

1361278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419.

The product of its digits is 2016, while the sum is 28.

The square root of 1361278 is about 1166.7381882839. The cubic root of 1361278 is about 110.8278585998.

The spelling of 1361278 in words is "one million, three hundred sixty-one thousand, two hundred seventy-eight".