1242324101 has 18 divisors (see below), whose sum is σ = 1355188806. Its totient is φ = 1138654800.

The previous prime is 1242324077. The next prime is 1242324103. The reversal of 1242324101 is 1014232421.

It can be written as a sum of positive squares in only one way, i.e., 1207632001 + 34692100 = 34751^2 + 5890^2 .

It is not a de Polignac number, because 1242324101 - 2¹⁸ = 1242061957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242324103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 345131 + ... + 348711.

It is an arithmetic number, because the mean of its divisors is an integer number (75288267).

Almost surely, 2^1242324101 is an apocalyptic number.

It is an amenable number.

1242324101 is a deficient number, since it is larger than the sum of its proper divisors (112864705).

1242324101 is an equidigital number, since it uses as much as digits as its factorization.

1242324101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681 (or 3631 counting only the distinct ones).

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

The square root of 1242324101 is about 35246.6182916886. The cubic root of 1242324101 is about 1075.0078531245.

Adding to 1242324101 its reverse (1014232421), we get a palindrome (2256556522).

The spelling of 1242324101 in words is "one billion, two hundred forty-two million, three hundred twenty-four thousand, one hundred one".