1225351105 has 32 divisors (see below), whose sum is σ = 1727889408. Its totient is φ = 824894400.

The previous prime is 1225351087. The next prime is 1225351111. The reversal of 1225351105 is 5011535221.

It is not a de Polignac number, because 1225351105 - 2⁵ = 1225351073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1225351105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23592 + ... + 54838.

It is an arithmetic number, because the mean of its divisors is an integer number (53996544).

Almost surely, 2^1225351105 is an apocalyptic number.

It is an amenable number.

1225351105 is a deficient number, since it is larger than the sum of its proper divisors (502538303).

1225351105 is a wasteful number, since it uses less digits than its factorization.

1225351105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31317.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1225351105 is about 35005.0154263643. The cubic root of 1225351105 is about 1070.0896960939.

Adding to 1225351105 its reverse (5011535221), we get a palindrome (6236886326).

The spelling of 1225351105 in words is "one billion, two hundred twenty-five million, three hundred fifty-one thousand, one hundred five".