1232405250 has 128 divisors (see below), whose sum is σ = 3201120000. Its totient is φ = 315532800.

The previous prime is 1232405221. The next prime is 1232405267. The reversal of 1232405250 is 525042321.

It is a self number, because there is not a number n which added to its sum of digits gives 1232405250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2469501 + ... + 2469999.

It is an arithmetic number, because the mean of its divisors is an integer number (25008750).

Almost surely, 2^1232405250 is an apocalyptic number.

1232405250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232405250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600560000).

1232405250 is an abundant number, since it is smaller than the sum of its proper divisors (1968714750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232405250 is a wasteful number, since it uses less digits than its factorization.

1232405250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 635 counting only the distinct ones).

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

The square root of 1232405250 is about 35105.6298903751. The cubic root of 1232405250 is about 1072.1392117281.

Adding to 1232405250 its reverse (525042321), we get a palindrome (1757447571).

The spelling of 1232405250 in words is "one billion, two hundred thirty-two million, four hundred five thousand, two hundred fifty".