1195978 has 8 divisors (see below), whose sum is σ = 2050272. Its totient is φ = 512556.

The previous prime is 1195937. The next prime is 1195979. The reversal of 1195978 is 8795911.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1195978.

It is not an unprimeable number, because it can be changed into a prime (1195979) 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, 42700 + ... + 42727.

It is an arithmetic number, because the mean of its divisors is an integer number (256284).

2^1195978 is an apocalyptic number.

1195978 is a deficient number, since it is larger than the sum of its proper divisors (854294).

1195978 is an equidigital number, since it uses as much as digits as its factorization.

1195978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85436.

The product of its digits is 22680, while the sum is 40.

The square root of 1195978 is about 1093.6077907550. The cubic root of 1195978 is about 106.1470014544.

The spelling of 1195978 in words is "one million, one hundred ninety-five thousand, nine hundred seventy-eight".