1214243144 has 32 divisors (see below), whose sum is σ = 2354339520. Its totient is φ = 586762176.

The previous prime is 1214243131. The next prime is 1214243153. The reversal of 1214243144 is 4413424121.

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, 7037 + ... + 49779.

It is an arithmetic number, because the mean of its divisors is an integer number (73573110).

Almost surely, 2^1214243144 is an apocalyptic number.

It is an amenable number.

1214243144 is a deficient number, since it is larger than the sum of its proper divisors (1140096376).

1214243144 is a wasteful number, since it uses less digits than its factorization.

1214243144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42869 (or 42865 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 1214243144 is about 34845.9917924573. The cubic root of 1214243144 is about 1066.8463769259.

Adding to 1214243144 its reverse (4413424121), we get a palindrome (5627667265).

The spelling of 1214243144 in words is "one billion, two hundred fourteen million, two hundred forty-three thousand, one hundred forty-four".