1214978 has 8 divisors (see below), whose sum is σ = 1849872. Its totient is φ = 598356.

The previous prime is 1214977. The next prime is 1214981. The reversal of 1214978 is 8794121.

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

It is not an unprimeable number, because it can be changed into a prime (1214971) 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, 4400 + ... + 4667.

It is an arithmetic number, because the mean of its divisors is an integer number (231234).

2^1214978 is an apocalyptic number.

1214978 is a deficient number, since it is larger than the sum of its proper divisors (634894).

1214978 is an equidigital number, since it uses as much as digits as its factorization.

1214978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9136.

The product of its digits is 4032, while the sum is 32.

The square root of 1214978 is about 1102.2604048046. The cubic root of 1214978 is about 106.7061550843.

The spelling of 1214978 in words is "one million, two hundred fourteen thousand, nine hundred seventy-eight".