1242231104 has 28 divisors (see below), whose sum is σ = 2572231584. Its totient is φ = 594109824.

The previous prime is 1242231097. The next prime is 1242231113. The reversal of 1242231104 is 4011322421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420482 + ... + 423425.

Almost surely, 2^1242231104 is an apocalyptic number.

It is an amenable number.

1242231104 is an abundant number, since it is smaller than the sum of its proper divisors (1330000480).

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

1242231104 is an equidigital number, since it uses as much as digits as its factorization.

1242231104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843942 (or 843932 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1242231104 is about 35245.2990340556. The cubic root of 1242231104 is about 1074.9810284014.

Adding to 1242231104 its reverse (4011322421), we get a palindrome (5253553525).

The spelling of 1242231104 in words is "one billion, two hundred forty-two million, two hundred thirty-one thousand, one hundred four".