1214425144 has 32 divisors (see below), whose sum is σ = 2299658400. Its totient is φ = 601211520.

The previous prime is 1214425133. The next prime is 1214425187. The reversal of 1214425144 is 4415244121.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 389062 + ... + 392170.

It is an arithmetic number, because the mean of its divisors is an integer number (71864325).

Almost surely, 2^1214425144 is an apocalyptic number.

It is an amenable number.

1214425144 is a deficient number, since it is larger than the sum of its proper divisors (1085233256).

1214425144 is a wasteful number, since it uses less digits than its factorization.

1214425144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583 (or 3579 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 1214425144 is about 34848.6031857806. The cubic root of 1214425144 is about 1066.8996766134.

Adding to 1214425144 its reverse (4415244121), we get a palindrome (5629669265).

The spelling of 1214425144 in words is "one billion, two hundred fourteen million, four hundred twenty-five thousand, one hundred forty-four".