1242344354 has 4 divisors (see below), whose sum is σ = 1863516534. Its totient is φ = 621172176.

The previous prime is 1242344291. The next prime is 1242344371. The reversal of 1242344354 is 4534432421.

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., 1207215025 + 35129329 = 34745^2 + 5927^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1242344354.

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, 310586087 + ... + 310586090.

Almost surely, 2^1242344354 is an apocalyptic number.

1242344354 is a deficient number, since it is larger than the sum of its proper divisors (621172180).

1242344354 is an equidigital number, since it uses as much as digits as its factorization.

1242344354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621172179.

The product of its digits is 46080, while the sum is 32.

The square root of 1242344354 is about 35246.9055946760. The cubic root of 1242344354 is about 1075.0136948679.

Adding to 1242344354 its reverse (4534432421), we get a palindrome (5776776775).

The spelling of 1242344354 in words is "one billion, two hundred forty-two million, three hundred forty-four thousand, three hundred fifty-four".