1243153122 has 8 divisors (see below), whose sum is σ = 2486306256. Its totient is φ = 414384372.

The previous prime is 1243153117. The next prime is 1243153127. The reversal of 1243153122 is 2213513421.

It is an interprime number because it is at equal distance from previous prime (1243153117) and next prime (1243153127).

It is a sphenic number, since it is the product of 3 distinct primes.

1243153122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1243153092 and 1243153101.

It is not an unprimeable number, because it can be changed into a prime (1243153127) by changing a digit.

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, 103596088 + ... + 103596099.

It is an arithmetic number, because the mean of its divisors is an integer number (310788282).

Almost surely, 2^1243153122 is an apocalyptic number.

1243153122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1243153122 is a wasteful number, since it uses less digits than its factorization.

1243153122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207192192.

The product of its digits is 1440, while the sum is 24.

The square root of 1243153122 is about 35258.3766217335. The cubic root of 1243153122 is about 1075.2469227630.

Adding to 1243153122 its reverse (2213513421), we get a palindrome (3456666543).

The spelling of 1243153122 in words is "one billion, two hundred forty-three million, one hundred fifty-three thousand, one hundred twenty-two".