1270678 has 4 divisors (see below), whose sum is σ = 1906020. Its totient is φ = 635338.

The previous prime is 1270669. The next prime is 1270679. The reversal of 1270678 is 8760721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1270678² = 3229245159368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270679) by changing a digit.

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 as a sum of consecutive naturals, namely, 317668 + ... + 317671.

It is an arithmetic number, because the mean of its divisors is an integer number (476505).

2^1270678 is an apocalyptic number.

1270678 is a deficient number, since it is larger than the sum of its proper divisors (635342).

1270678 is an equidigital number, since it uses as much as digits as its factorization.

1270678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635341.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1270678 is about 1127.2435406779. The cubic root of 1270678 is about 108.3124809306.

The spelling of 1270678 in words is "one million, two hundred seventy thousand, six hundred seventy-eight".