1223575201 has 8 divisors (see below), whose sum is σ = 1229715720. Its totient is φ = 1217445888.

The previous prime is 1223575189. The next prime is 1223575211. The reversal of 1223575201 is 1025753221.

It can be written as a sum of positive squares in 4 ways, for example, as 508547601 + 715027600 = 22551^2 + 26740^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223575201 - 2⁹ = 1223574689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223575201.

It is not an unprimeable number, because it can be changed into a prime (1223575211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288045 + ... + 292261.

It is an arithmetic number, because the mean of its divisors is an integer number (153714465).

Almost surely, 2^1223575201 is an apocalyptic number.

It is an amenable number.

1223575201 is a deficient number, since it is larger than the sum of its proper divisors (6140519).

1223575201 is a wasteful number, since it uses less digits than its factorization.

1223575201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1223575201 is about 34979.6398066075. The cubic root of 1223575201 is about 1069.5724850466.

The spelling of 1223575201 in words is "one billion, two hundred twenty-three million, five hundred seventy-five thousand, two hundred one".