1203540473 has 4 divisors (see below), whose sum is σ = 1209776628. Its totient is φ = 1197304320.

The previous prime is 1203540467. The next prime is 1203540487. The reversal of 1203540473 is 3740453021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3740453021 = 4721 ⋅792301.

It can be written as a sum of positive squares in 2 ways, for example, as 609497344 + 594043129 = 24688^2 + 24373^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203540473 - 2¹² = 1203536377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203540433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3117788 + ... + 3118173.

It is an arithmetic number, because the mean of its divisors is an integer number (302444157).

Almost surely, 2^1203540473 is an apocalyptic number.

It is an amenable number.

1203540473 is a deficient number, since it is larger than the sum of its proper divisors (6236155).

1203540473 is an equidigital number, since it uses as much as digits as its factorization.

1203540473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236154.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 1203540473 is about 34692.0808398689. The cubic root of 1203540473 is about 1063.7026302721.

Adding to 1203540473 its reverse (3740453021), we get a palindrome (4943993494).

The spelling of 1203540473 in words is "one billion, two hundred three million, five hundred forty thousand, four hundred seventy-three".