1230240525 has 48 divisors (see below), whose sum is σ = 2078866944. Its totient is φ = 641817280.

The previous prime is 1230240511. The next prime is 1230240527. The reversal of 1230240525 is 5250420321.

It is not a de Polignac number, because 1230240525 - 2⁶ = 1230240461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230240495 and 1230240504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230240527) 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 47 ways as a sum of consecutive naturals, for example, 665152 + ... + 666998.

It is an arithmetic number, because the mean of its divisors is an integer number (43309728).

Almost surely, 2^1230240525 is an apocalyptic number.

1230240525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230240525 is a deficient number, since it is larger than the sum of its proper divisors (848626419).

1230240525 is a wasteful number, since it uses less digits than its factorization.

1230240525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1230240525 is about 35074.7847463103. The cubic root of 1230240525 is about 1071.5111048168.

Adding to 1230240525 its reverse (5250420321), we get a palindrome (6480660846).

The spelling of 1230240525 in words is "one billion, two hundred thirty million, two hundred forty thousand, five hundred twenty-five".