1203240245 has 4 divisors (see below), whose sum is σ = 1443888300. Its totient is φ = 962592192.

The previous prime is 1203240221. The next prime is 1203240257. The reversal of 1203240245 is 5420423021.

It is a happy number.

1203240245 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 533517604 + 669722641 = 23098^2 + 25879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203240245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1203240245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120324020 + ... + 120324029.

It is an arithmetic number, because the mean of its divisors is an integer number (360972075).

Almost surely, 2^1203240245 is an apocalyptic number.

It is an amenable number.

1203240245 is a deficient number, since it is larger than the sum of its proper divisors (240648055).

1203240245 is an equidigital number, since it uses as much as digits as its factorization.

1203240245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240648054.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1203240245 is about 34687.7535306050. The cubic root of 1203240245 is about 1063.6141746202.

Adding to 1203240245 its reverse (5420423021), we get a palindrome (6623663266).

The spelling of 1203240245 in words is "one billion, two hundred three million, two hundred forty thousand, two hundred forty-five".