1234210505 has 16 divisors (see below), whose sum is σ = 1616442048. Its totient is φ = 897192000.

The previous prime is 1234210477. The next prime is 1234210513. The reversal of 1234210505 is 5050124321.

It is not a de Polignac number, because 1234210505 - 2²⁴ = 1217433289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 164690 + ... + 172020.

It is an arithmetic number, because the mean of its divisors is an integer number (101027628).

Almost surely, 2^1234210505 is an apocalyptic number.

It is an amenable number.

1234210505 is a deficient number, since it is larger than the sum of its proper divisors (382231543).

1234210505 is a wasteful number, since it uses less digits than its factorization.

1234210505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10408.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1234210505 is about 35131.3322406082. The cubic root of 1234210505 is about 1072.6624542231.

Adding to 1234210505 its reverse (5050124321), we get a palindrome (6284334826).

The spelling of 1234210505 in words is "one billion, two hundred thirty-four million, two hundred ten thousand, five hundred five".