1214131442 has 16 divisors (see below), whose sum is σ = 1872386712. Its totient is φ = 590110080.

The previous prime is 1214131423. The next prime is 1214131447. The reversal of 1214131442 is 2441314121.

It can be written as a sum of positive squares in 4 ways, for example, as 589081441 + 625050001 = 24271^2 + 25001^2 .

It is not an unprimeable number, because it can be changed into a prime (1214131447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4013 + ... + 49440.

Almost surely, 2^1214131442 is an apocalyptic number.

1214131442 is a deficient number, since it is larger than the sum of its proper divisors (658255270).

1214131442 is a wasteful number, since it uses less digits than its factorization.

1214131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53773.

The product of its digits is 768, while the sum is 23.

The square root of 1214131442 is about 34844.3889600607. The cubic root of 1214131442 is about 1066.8136617515.

Adding to 1214131442 its reverse (2441314121), we get a palindrome (3655445563).

The spelling of 1214131442 in words is "one billion, two hundred fourteen million, one hundred thirty-one thousand, four hundred forty-two".