1242453152 has 24 divisors (see below), whose sum is σ = 2487542400. Its totient is φ = 610696384.

The previous prime is 1242453151. The next prime is 1242453203. The reversal of 1242453152 is 2513542421.

It is not an unprimeable number, because it can be changed into a prime (1242453151) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 327152 + ... + 330927.

It is an arithmetic number, because the mean of its divisors is an integer number (103647600).

Almost surely, 2^1242453152 is an apocalyptic number.

It is an amenable number.

1242453152 is an abundant number, since it is smaller than the sum of its proper divisors (1245089248).

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

1242453152 is an equidigital number, since it uses as much as digits as its factorization.

1242453152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658148 (or 658140 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 1242453152 is about 35248.4489304139. The cubic root of 1242453152 is about 1075.0450753048.

Adding to 1242453152 its reverse (2513542421), we get a palindrome (3755995573).

The spelling of 1242453152 in words is "one billion, two hundred forty-two million, four hundred fifty-three thousand, one hundred fifty-two".