1242124304 has 10 divisors (see below), whose sum is σ = 2406615870. Its totient is φ = 621062144.

The previous prime is 1242124283. The next prime is 1242124307. The reversal of 1242124304 is 4034212421.

It can be written as a sum of positive squares in only one way, i.e., 1166085904 + 76038400 = 34148^2 + 8720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1242124304.

It is not an unprimeable number, because it can be changed into a prime (1242124307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38816369 + ... + 38816400.

It is an arithmetic number, because the mean of its divisors is an integer number (240661587).

Almost surely, 2^1242124304 is an apocalyptic number.

It is an amenable number.

1242124304 is a deficient number, since it is larger than the sum of its proper divisors (1164491566).

1242124304 is an equidigital number, since it uses as much as digits as its factorization.

1242124304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77632777 (or 77632771 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1242124304 is about 35243.7839058181. The cubic root of 1242124304 is about 1074.9502205902.

Adding to 1242124304 its reverse (4034212421), we get a palindrome (5276336725).

The spelling of 1242124304 in words is "one billion, two hundred forty-two million, one hundred twenty-four thousand, three hundred four".