1242324231 has 48 divisors (see below), whose sum is σ = 1808655072. Its totient is φ = 757785600.

The previous prime is 1242324229. The next prime is 1242324241. The reversal of 1242324231 is 1324232421.

It is a happy number.

It is not a de Polignac number, because 1242324231 - 2¹ = 1242324229 is a prime.

It is a super-2 number, since 2×1242324231² = 3086738989859482722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242324241) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 3968931 + ... + 3969243.

It is an arithmetic number, because the mean of its divisors is an integer number (37680314).

Almost surely, 2^1242324231 is an apocalyptic number.

1242324231 is a deficient number, since it is larger than the sum of its proper divisors (566330841).

1242324231 is a wasteful number, since it uses less digits than its factorization.

1242324231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 441 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 1242324231 is about 35246.6201358371. The cubic root of 1242324231 is about 1075.0078906217.

Adding to 1242324231 its reverse (1324232421), we get a palindrome (2566556652).

The spelling of 1242324231 in words is "one billion, two hundred forty-two million, three hundred twenty-four thousand, two hundred thirty-one".