1214325521 has 8 divisors (see below), whose sum is σ = 1327233024. Its totient is φ = 1106026560.

The previous prime is 1214325481. The next prime is 1214325529. The reversal of 1214325521 is 1255234121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1214325521 - 2¹⁸ = 1214063377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214325529) 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, 1151585 + ... + 1152638.

It is an arithmetic number, because the mean of its divisors is an integer number (165904128).

Almost surely, 2^1214325521 is an apocalyptic number.

It is an amenable number.

1214325521 is a deficient number, since it is larger than the sum of its proper divisors (112907503).

1214325521 is a wasteful number, since it uses less digits than its factorization.

1214325521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304271.

The product of its digits is 2400, while the sum is 26.

The square root of 1214325521 is about 34847.1737878411. The cubic root of 1214325521 is about 1066.8705021370.

Adding to 1214325521 its reverse (1255234121), we get a palindrome (2469559642).

The spelling of 1214325521 in words is "one billion, two hundred fourteen million, three hundred twenty-five thousand, five hundred twenty-one".