1242275232 has 48 divisors (see below), whose sum is σ = 3557427552. Its totient is φ = 376446720.

The previous prime is 1242275213. The next prime is 1242275239. The reversal of 1242275232 is 2325722421.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1242275232.

It is not an unprimeable number, because it can be changed into a prime (1242275239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587143 + ... + 589254.

It is an arithmetic number, because the mean of its divisors is an integer number (74113074).

Almost surely, 2^1242275232 is an apocalyptic number.

1242275232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1242275232 is an abundant number, since it is smaller than the sum of its proper divisors (2315152320).

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

1242275232 is a wasteful number, since it uses less digits than its factorization.

1242275232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176421 (or 1176413 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 1242275232 is about 35245.9250410597. The cubic root of 1242275232 is about 1074.9937571658.

Adding to 1242275232 its reverse (2325722421), we get a palindrome (3567997653).

The spelling of 1242275232 in words is "one billion, two hundred forty-two million, two hundred seventy-five thousand, two hundred thirty-two".