1203134430040 has 16 divisors (see below), whose sum is σ = 2707052467680. Its totient is φ = 481253772000.

The previous prime is 1203134430011. The next prime is 1203134430097. The reversal of 1203134430040 is 400344313021.

It is a junction number, because it is equal to n+sod(n) for n = 1203134429987 and 1203134430014.

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, 15039180336 + ... + 15039180415.

It is an arithmetic number, because the mean of its divisors is an integer number (169190779230).

Almost surely, 2^{1203134430040} is an apocalyptic number.

1203134430040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203134430040 is an abundant number, since it is smaller than the sum of its proper divisors (1503918037640).

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

1203134430040 is a wasteful number, since it uses less digits than its factorization.

1203134430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30078360762 (or 30078360758 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1203134430040 its reverse (400344313021), we get a palindrome (1603478743061).

The spelling of 1203134430040 in words is "one trillion, two hundred three billion, one hundred thirty-four million, four hundred thirty thousand, forty".