1217201414 has 16 divisors (see below), whose sum is σ = 2144998800. Its totient is φ = 510713760.

The previous prime is 1217201393. The next prime is 1217201431. The reversal of 1217201414 is 4141027121.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1217201414.

It is a congruent 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, 2127689 + ... + 2128260.

It is an arithmetic number, because the mean of its divisors is an integer number (134062425).

Almost surely, 2^1217201414 is an apocalyptic number.

1217201414 is a deficient number, since it is larger than the sum of its proper divisors (927797386).

1217201414 is a wasteful number, since it uses less digits than its factorization.

1217201414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255975.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1217201414 is about 34888.4137501263. The cubic root of 1217201414 is about 1067.7120629841.

Adding to 1217201414 its reverse (4141027121), we get a palindrome (5358228535).

The spelling of 1217201414 in words is "one billion, two hundred seventeen million, two hundred one thousand, four hundred fourteen".