1225234315 has 4 divisors (see below), whose sum is σ = 1470281184. Its totient is φ = 980187448.

The previous prime is 1225234313. The next prime is 1225234327. The reversal of 1225234315 is 5134325221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1225234315 - 2¹ = 1225234313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225234313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122523427 + ... + 122523436.

It is an arithmetic number, because the mean of its divisors is an integer number (367570296).

Almost surely, 2^1225234315 is an apocalyptic number.

1225234315 is a deficient number, since it is larger than the sum of its proper divisors (245046869).

1225234315 is an equidigital number, since it uses as much as digits as its factorization.

1225234315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245046868.

The product of its digits is 7200, while the sum is 28.

The square root of 1225234315 is about 35003.3471970896. The cubic root of 1225234315 is about 1070.0556977441.

Adding to 1225234315 its reverse (5134325221), we get a palindrome (6359559536).

The spelling of 1225234315 in words is "one billion, two hundred twenty-five million, two hundred thirty-four thousand, three hundred fifteen".