1203130005 has 32 divisors (see below), whose sum is σ = 2400012288. Its totient is φ = 500001600.

The previous prime is 1203129997. The next prime is 1203130007. The reversal of 1203130005 is 5000313021.

It is a happy number.

It is not a de Polignac number, because 1203130005 - 2³ = 1203129997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203130007) 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 31 ways as a sum of consecutive naturals, for example, 519681 + ... + 521990.

It is an arithmetic number, because the mean of its divisors is an integer number (75000384).

Almost surely, 2^1203130005 is an apocalyptic number.

1203130005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1203130005 is a deficient number, since it is larger than the sum of its proper divisors (1196882283).

1203130005 is a wasteful number, since it uses less digits than its factorization.

1203130005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041697.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1203130005 is about 34686.1644607760. The cubic root of 1203130005 is about 1063.5816911079.

Adding to 1203130005 its reverse (5000313021), we get a palindrome (6203443026).

The spelling of 1203130005 in words is "one billion, two hundred three million, one hundred thirty thousand, five".