1225760173 has 4 divisors (see below), whose sum is σ = 1337192928. Its totient is φ = 1114327420.

The previous prime is 1225760171. The next prime is 1225760189. The reversal of 1225760173 is 3710675221.

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.

It is a cyclic number.

It is not a de Polignac number, because 1225760173 - 2¹ = 1225760171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225760171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55716361 + ... + 55716382.

It is an arithmetic number, because the mean of its divisors is an integer number (334298232).

Almost surely, 2^1225760173 is an apocalyptic number.

It is an amenable number.

1225760173 is a deficient number, since it is larger than the sum of its proper divisors (111432755).

1225760173 is a wasteful number, since it uses less digits than its factorization.

1225760173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111432754.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 1225760173 is about 35010.8579300765. The cubic root of 1225760173 is about 1070.2087614915.

The spelling of 1225760173 in words is "one billion, two hundred twenty-five million, seven hundred sixty thousand, one hundred seventy-three".