1232135503 has 16 divisors (see below), whose sum is σ = 1402513920. Its totient is φ = 1075234176.

The previous prime is 1232135477. The next prime is 1232135539. The reversal of 1232135503 is 3055312321.

It is a cyclic number.

It is not a de Polignac number, because 1232135503 - 2⁹ = 1232134991 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 (1232138503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25401 + ... + 55762.

It is an arithmetic number, because the mean of its divisors is an integer number (87657120).

Almost surely, 2^1232135503 is an apocalyptic number.

1232135503 is a deficient number, since it is larger than the sum of its proper divisors (170378417).

1232135503 is a wasteful number, since it uses less digits than its factorization.

1232135503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81246.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1232135503 is about 35101.7877464952. The cubic root of 1232135503 is about 1072.0609832831.

Adding to 1232135503 its reverse (3055312321), we get a palindrome (4287447824).

The spelling of 1232135503 in words is "one billion, two hundred thirty-two million, one hundred thirty-five thousand, five hundred three".