1214513205 has 16 divisors (see below), whose sum is σ = 1943793600. Its totient is φ = 647549568.

The previous prime is 1214513203. The next prime is 1214513249. The reversal of 1214513205 is 5023154121.

It is a happy number.

It is not a de Polignac number, because 1214513205 - 2¹ = 1214513203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214513203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51609 + ... + 71361.

It is an arithmetic number, because the mean of its divisors is an integer number (121487100).

Almost surely, 2^1214513205 is an apocalyptic number.

1214513205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1214513205 is a deficient number, since it is larger than the sum of its proper divisors (729280395).

1214513205 is a wasteful number, since it uses less digits than its factorization.

1214513205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23860.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1214513205 is about 34849.8666424995. The cubic root of 1214513205 is about 1066.9254638434.

Adding to 1214513205 its reverse (5023154121), we get a palindrome (6237667326).

The spelling of 1214513205 in words is "one billion, two hundred fourteen million, five hundred thirteen thousand, two hundred five".