1203540441 has 4 divisors (see below), whose sum is σ = 1604720592. Its totient is φ = 802360292.

The previous prime is 1203540433. The next prime is 1203540461. The reversal of 1203540441 is 1440453021.

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 1203540441 - 2³ = 1203540433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1203540461) 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, 200590071 + ... + 200590076.

It is an arithmetic number, because the mean of its divisors is an integer number (401180148).

Almost surely, 2^1203540441 is an apocalyptic number.

It is an amenable number.

1203540441 is a deficient number, since it is larger than the sum of its proper divisors (401180151).

1203540441 is an equidigital number, since it uses as much as digits as its factorization.

1203540441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401180150.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1203540441 is about 34692.0803786686. The cubic root of 1203540441 is about 1063.7026208448.

Adding to 1203540441 its reverse (1440453021), we get a palindrome (2643993462).

The spelling of 1203540441 in words is "one billion, two hundred three million, five hundred forty thousand, four hundred forty-one".