1242810152 has 32 divisors (see below), whose sum is σ = 2453932800. Its totient is φ = 588924864.

The previous prime is 1242810139. The next prime is 1242810187. The reversal of 1242810152 is 2510182421.

It is an unprimeable number.

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, 10928 + ... + 51039.

It is an arithmetic number, because the mean of its divisors is an integer number (76685400).

Almost surely, 2^1242810152 is an apocalyptic number.

It is an amenable number.

1242810152 is a deficient number, since it is larger than the sum of its proper divisors (1211122648).

1242810152 is a wasteful number, since it uses less digits than its factorization.

1242810152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62105 (or 62101 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1242810152 is about 35253.5126193121. The cubic root of 1242810152 is about 1075.1480313903.

Adding to 1242810152 its reverse (2510182421), we get a palindrome (3752992573).

The spelling of 1242810152 in words is "one billion, two hundred forty-two million, eight hundred ten thousand, one hundred fifty-two".