1214425443 has 16 divisors (see below), whose sum is σ = 2018785536. Its totient is φ = 630870240.

The previous prime is 1214425423. The next prime is 1214425501. The reversal of 1214425443 is 3445244121.

It is not a de Polignac number, because 1214425443 - 2⁸ = 1214425187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214425443.

It is not an unprimeable number, because it can be changed into a prime (1214425423) 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 15 ways as a sum of consecutive naturals, for example, 2628396 + ... + 2628857.

It is an arithmetic number, because the mean of its divisors is an integer number (126174096).

Almost surely, 2^1214425443 is an apocalyptic number.

1214425443 is a deficient number, since it is larger than the sum of its proper divisors (804360093).

1214425443 is a wasteful number, since it uses less digits than its factorization.

1214425443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257274.

The product of its digits is 15360, while the sum is 30.

The square root of 1214425443 is about 34848.6074757658. The cubic root of 1214425443 is about 1066.8997641728.

Adding to 1214425443 its reverse (3445244121), we get a palindrome (4659669564).

The spelling of 1214425443 in words is "one billion, two hundred fourteen million, four hundred twenty-five thousand, four hundred forty-three".