1214401424 has 10 divisors (see below), whose sum is σ = 2352902790. Its totient is φ = 607200704.

The previous prime is 1214401423. The next prime is 1214401453. The reversal of 1214401424 is 4241044121.

It can be written as a sum of positive squares in only one way, i.e., 1073741824 + 140659600 = 32768^2 + 11860^2 .

It is a super-2 number, since 2×1214401424² = 2949541637226455552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1214401424.

It is not an unprimeable number, because it can be changed into a prime (1214401421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37950029 + ... + 37950060.

It is an arithmetic number, because the mean of its divisors is an integer number (235290279).

Almost surely, 2^1214401424 is an apocalyptic number.

It is an amenable number.

1214401424 is a deficient number, since it is larger than the sum of its proper divisors (1138501366).

1214401424 is an equidigital number, since it uses as much as digits as its factorization.

1214401424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75900097 (or 75900091 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1214401424 is about 34848.2628548397. The cubic root of 1214401424 is about 1066.8927303845.

Adding to 1214401424 its reverse (4241044121), we get a palindrome (5455445545).

The spelling of 1214401424 in words is "one billion, two hundred fourteen million, four hundred one thousand, four hundred twenty-four".