1214623441 has 4 divisors (see below), whose sum is σ = 1214693172. Its totient is φ = 1214553712.

The previous prime is 1214623439. The next prime is 1214623453. The reversal of 1214623441 is 1443264121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 638623441 + 576000000 = 25271^2 + 24000^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214623441 - 2¹ = 1214623439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214623141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15975 + ... + 51811.

It is an arithmetic number, because the mean of its divisors is an integer number (303673293).

Almost surely, 2^1214623441 is an apocalyptic number.

It is an amenable number.

1214623441 is a deficient number, since it is larger than the sum of its proper divisors (69731).

1214623441 is an equidigital number, since it uses as much as digits as its factorization.

1214623441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69730.

The product of its digits is 4608, while the sum is 28.

The square root of 1214623441 is about 34851.4481908571. The cubic root of 1214623441 is about 1066.9577429043.

Adding to 1214623441 its reverse (1443264121), we get a palindrome (2657887562).

The spelling of 1214623441 in words is "one billion, two hundred fourteen million, six hundred twenty-three thousand, four hundred forty-one".