1234245473 has 4 divisors (see below), whose sum is σ = 1239409920. Its totient is φ = 1229081028.

The previous prime is 1234245449. The next prime is 1234245479. The reversal of 1234245473 is 3745424321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3745424321 = 6781 ⋅552341.

It is a cyclic number.

It is not a de Polignac number, because 1234245473 - 2²⁴ = 1217468257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234245479) 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 3 ways as a sum of consecutive naturals, for example, 2581865 + ... + 2582342.

It is an arithmetic number, because the mean of its divisors is an integer number (309852480).

Almost surely, 2^1234245473 is an apocalyptic number.

It is an amenable number.

1234245473 is a deficient number, since it is larger than the sum of its proper divisors (5164447).

1234245473 is an equidigital number, since it uses as much as digits as its factorization.

1234245473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164446.

The product of its digits is 80640, while the sum is 35.

The square root of 1234245473 is about 35131.8299124882. The cubic root of 1234245473 is about 1072.6725844525.

Adding to 1234245473 its reverse (3745424321), we get a palindrome (4979669794).

The spelling of 1234245473 in words is "one billion, two hundred thirty-four million, two hundred forty-five thousand, four hundred seventy-three".