1242443104 has 24 divisors (see below), whose sum is σ = 2795497488. Its totient is φ = 532475520.

The previous prime is 1242443101. The next prime is 1242443107. The reversal of 1242443104 is 4013442421.

It is an interprime number because it is at equal distance from previous prime (1242443101) and next prime (1242443107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242443101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2773087 + ... + 2773534.

It is an arithmetic number, because the mean of its divisors is an integer number (116479062).

Almost surely, 2^1242443104 is an apocalyptic number.

1242443104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1242443104 is an abundant number, since it is smaller than the sum of its proper divisors (1553054384).

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

1242443104 is an equidigital number, since it uses as much as digits as its factorization.

1242443104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546638 (or 5546630 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1242443104 is about 35248.3063990314. The cubic root of 1242443104 is about 1075.0421772527.

Adding to 1242443104 its reverse (4013442421), we get a palindrome (5255885525).

The spelling of 1242443104 in words is "one billion, two hundred forty-two million, four hundred forty-three thousand, one hundred four".