1214521233 has 16 divisors (see below), whose sum is σ = 1692855936. Its totient is φ = 773062400.

The previous prime is 1214521213. The next prime is 1214521241. The reversal of 1214521233 is 3321254121.

It is a cyclic number.

It is not a de Polignac number, because 1214521233 - 2⁶ = 1214521169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214521213) 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, 22633 + ... + 54233.

It is an arithmetic number, because the mean of its divisors is an integer number (105803496).

Almost surely, 2^1214521233 is an apocalyptic number.

It is an amenable number.

1214521233 is a deficient number, since it is larger than the sum of its proper divisors (478334703).

1214521233 is a wasteful number, since it uses less digits than its factorization.

1214521233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32184.

The product of its digits is 1440, while the sum is 24.

The square root of 1214521233 is about 34849.9818220900. The cubic root of 1214521233 is about 1066.9278146505.

Adding to 1214521233 its reverse (3321254121), we get a palindrome (4535775354).

The spelling of 1214521233 in words is "one billion, two hundred fourteen million, five hundred twenty-one thousand, two hundred thirty-three".