1242380498 has 4 divisors (see below), whose sum is σ = 1863570750. Its totient is φ = 621190248.

The previous prime is 1242380479. The next prime is 1242380501. The reversal of 1242380498 is 8940832421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 913429729 + 328950769 = 30223^2 + 18137^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 310595123 + ... + 310595126.

Almost surely, 2^1242380498 is an apocalyptic number.

1242380498 is a deficient number, since it is larger than the sum of its proper divisors (621190252).

1242380498 is an equidigital number, since it uses as much as digits as its factorization.

1242380498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621190251.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1242380498 is about 35247.4183168073. The cubic root of 1242380498 is about 1075.0241200285.

The spelling of 1242380498 in words is "one billion, two hundred forty-two million, three hundred eighty thousand, four hundred ninety-eight".