1278070 has 8 divisors (see below), whose sum is σ = 2300544. Its totient is φ = 511224.

The previous prime is 1278047. The next prime is 1278097. The reversal of 1278070 is 708721.

It is a happy number.

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

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, 63894 + ... + 63913.

It is an arithmetic number, because the mean of its divisors is an integer number (287568).

2^1278070 is an apocalyptic number.

1278070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1278070 is a deficient number, since it is larger than the sum of its proper divisors (1022474).

1278070 is a wasteful number, since it uses less digits than its factorization.

1278070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127814.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 1278070 is about 1130.5175805798. The cubic root of 1278070 is about 108.5221061090.

The spelling of 1278070 in words is "one million, two hundred seventy-eight thousand, seventy".