1203402530 has 16 divisors (see below), whose sum is σ = 2363045184. Its totient is φ = 437600880.

The previous prime is 1203402509. The next prime is 1203402533. The reversal of 1203402530 is 352043021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1203402533) 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 7 ways as a sum of consecutive naturals, for example, 5469902 + ... + 5470121.

It is an arithmetic number, because the mean of its divisors is an integer number (147690324).

Almost surely, 2^1203402530 is an apocalyptic number.

1203402530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1203402530 is a deficient number, since it is larger than the sum of its proper divisors (1159642654).

1203402530 is a wasteful number, since it uses less digits than its factorization.

1203402530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10940041.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1203402530 is about 34690.0926778814. The cubic root of 1203402530 is about 1063.6619901936.

Adding to 1203402530 its reverse (352043021), we get a palindrome (1555445551).

The spelling of 1203402530 in words is "one billion, two hundred three million, four hundred two thousand, five hundred thirty".