1203561424 has 20 divisors (see below), whose sum is σ = 2511277636. Its totient is φ = 555489792.

The previous prime is 1203561413. The next prime is 1203561431. The reversal of 1203561424 is 4241653021.

It can be written as a sum of positive squares in 2 ways, for example, as 626601024 + 576960400 = 25032^2 + 24020^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1203561392 and 1203561401.

It is a congruent number.

It is an unprimeable number.

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, 2892969 + ... + 2893384.

Almost surely, 2^1203561424 is an apocalyptic number.

It is an amenable number.

1203561424 is an abundant number, since it is smaller than the sum of its proper divisors (1307716212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1203561424 is a wasteful number, since it uses less digits than its factorization.

1203561424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786374 (or 5786368 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1203561424 is about 34692.3827950748. The cubic root of 1203561424 is about 1063.7088024796.

The spelling of 1203561424 in words is "one billion, two hundred three million, five hundred sixty-one thousand, four hundred twenty-four".