1214345305 has 8 divisors (see below), whose sum is σ = 1477738944. Its totient is φ = 957793200.

The previous prime is 1214345267. The next prime is 1214345317. The reversal of 1214345305 is 5035434121.

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

It is not a de Polignac number, because 1214345305 - 2²¹ = 1212248153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709991 + ... + 1710700.

It is an arithmetic number, because the mean of its divisors is an integer number (184717368).

Almost surely, 2^1214345305 is an apocalyptic number.

It is an amenable number.

1214345305 is a deficient number, since it is larger than the sum of its proper divisors (263393639).

1214345305 is an equidigital number, since it uses as much as digits as its factorization.

1214345305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420767.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1214345305 is about 34847.4576547558. The cubic root of 1214345305 is about 1066.8762959847.

Adding to 1214345305 its reverse (5035434121), we get a palindrome (6249779426).

The spelling of 1214345305 in words is "one billion, two hundred fourteen million, three hundred forty-five thousand, three hundred five".