1221434114 has 12 divisors (see below), whose sum is σ = 1933656534. Its totient is φ = 578573712.

The previous prime is 1221434111. The next prime is 1221434119. The reversal of 1221434114 is 4114341221.

It can be written as a sum of positive squares in only one way, i.e., 932264089 + 289170025 = 30533^2 + 17005^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1221434114.

It is not an unprimeable number, because it can be changed into a prime (1221434111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 845147 + ... + 846590.

Almost surely, 2^1221434114 is an apocalyptic number.

1221434114 is a deficient number, since it is larger than the sum of its proper divisors (712222420).

1221434114 is a wasteful number, since it uses less digits than its factorization.

1221434114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691777 (or 1691758 counting only the distinct ones).

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

The square root of 1221434114 is about 34949.0216458201. The cubic root of 1221434114 is about 1068.9482529338.

Adding to 1221434114 its reverse (4114341221), we get a palindrome (5335775335).

The spelling of 1221434114 in words is "one billion, two hundred twenty-one million, four hundred thirty-four thousand, one hundred fourteen".