1242924898 has 8 divisors (see below), whose sum is σ = 1894951260. Its totient is φ = 611274480.

The previous prime is 1242924871. The next prime is 1242924911. The reversal of 1242924898 is 8984292421.

It can be written as a sum of positive squares in 2 ways, for example, as 758616849 + 484308049 = 27543^2 + 22007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 5093833 + ... + 5094076.

Almost surely, 2^1242924898 is an apocalyptic number.

1242924898 is a deficient number, since it is larger than the sum of its proper divisors (652026362).

1242924898 is a wasteful number, since it uses less digits than its factorization.

1242924898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10187972.

The product of its digits is 663552, while the sum is 49.

The square root of 1242924898 is about 35255.1400224138. The cubic root of 1242924898 is about 1075.1811190772.

The spelling of 1242924898 in words is "one billion, two hundred forty-two million, nine hundred twenty-four thousand, eight hundred ninety-eight".