1214240978 has 8 divisors (see below), whose sum is σ = 1900551168. Its totient is φ = 580723924.

The previous prime is 1214240977. The next prime is 1214241019. The reversal of 1214240978 is 8790424121.

It is a happy number.

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 (1214240977) 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, 13198226 + ... + 13198317.

It is an arithmetic number, because the mean of its divisors is an integer number (237568896).

Almost surely, 2^1214240978 is an apocalyptic number.

1214240978 is a deficient number, since it is larger than the sum of its proper divisors (686310190).

1214240978 is a wasteful number, since it uses less digits than its factorization.

1214240978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26396568.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1214240978 is about 34845.9607128287. The cubic root of 1214240978 is about 1066.8457425689.

The spelling of 1214240978 in words is "one billion, two hundred fourteen million, two hundred forty thousand, nine hundred seventy-eight".