1230503501 has 8 divisors (see below), whose sum is σ = 1240999320. Its totient is φ = 1220046912.

The previous prime is 1230503467. The next prime is 1230503509. The reversal of 1230503501 is 1053050321.

It can be written as a sum of positive squares in 4 ways, for example, as 883575625 + 346927876 = 29725^2 + 18626^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230503501 - 2¹⁴ = 1230487117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230503509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54995 + ... + 74063.

It is an arithmetic number, because the mean of its divisors is an integer number (155124915).

Almost surely, 2^1230503501 is an apocalyptic number.

It is an amenable number.

1230503501 is a deficient number, since it is larger than the sum of its proper divisors (10495819).

1230503501 is a wasteful number, since it uses less digits than its factorization.

1230503501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19615.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1230503501 is about 35078.5333359307. The cubic root of 1230503501 is about 1071.5874480530.

Adding to 1230503501 its reverse (1053050321), we get a palindrome (2283553822).

The spelling of 1230503501 in words is "one billion, two hundred thirty million, five hundred three thousand, five hundred one".