1206978 has 8 divisors (see below), whose sum is σ = 2413968. Its totient is φ = 402324.

The previous prime is 1206973. The next prime is 1206979. The reversal of 1206978 is 8796021.

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

1206978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1206973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100576 + ... + 100587.

It is an arithmetic number, because the mean of its divisors is an integer number (301746).

2^1206978 is an apocalyptic number.

1206978 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.

1206978 is a wasteful number, since it uses less digits than its factorization.

1206978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201168.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1206978 is about 1098.6255048924. The cubic root of 1206978 is about 106.4714376005.

The spelling of 1206978 in words is "one million, two hundred six thousand, nine hundred seventy-eight".