1232242557 has 16 divisors (see below), whose sum is σ = 2022142080. Its totient is φ = 649973952.

The previous prime is 1232242537. The next prime is 1232242573. The reversal of 1232242557 is 7552422321.

It is not a de Polignac number, because 1232242557 - 2⁸ = 1232242301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232242537) 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 15 ways as a sum of consecutive naturals, for example, 2256582 + ... + 2257127.

It is an arithmetic number, because the mean of its divisors is an integer number (126383880).

Almost surely, 2^1232242557 is an apocalyptic number.

It is an amenable number.

1232242557 is a deficient number, since it is larger than the sum of its proper divisors (789899523).

1232242557 is a wasteful number, since it uses less digits than its factorization.

1232242557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513732.

The product of its digits is 33600, while the sum is 33.

The square root of 1232242557 is about 35103.3126214607. The cubic root of 1232242557 is about 1072.0920310297.

Adding to 1232242557 its reverse (7552422321), we get a palindrome (8784664878).

The spelling of 1232242557 in words is "one billion, two hundred thirty-two million, two hundred forty-two thousand, five hundred fifty-seven".