1214404144 has 20 divisors (see below), whose sum is σ = 2359063296. Its totient is φ = 605613632.

The previous prime is 1214404123. The next prime is 1214404157. The reversal of 1214404144 is 4414044121.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 92959 + ... + 105214.

Almost surely, 2^1214404144 is an apocalyptic number.

It is an amenable number.

1214404144 is a deficient number, since it is larger than the sum of its proper divisors (1144659152).

1214404144 is a wasteful number, since it uses less digits than its factorization.

1214404144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198564 (or 198558 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 1214404144 is about 34848.3018811534. The cubic root of 1214404144 is about 1066.8935269212.

Adding to 1214404144 its reverse (4414044121), we get a palindrome (5628448265).

It can be divided in two parts, 1214404 and 144, that multiplied together give a square (174874176 = 13224²).

The spelling of 1214404144 in words is "one billion, two hundred fourteen million, four hundred four thousand, one hundred forty-four".