1243234124 has 24 divisors (see below), whose sum is σ = 2382924096. Its totient is φ = 562850000.

The previous prime is 1243234121. The next prime is 1243234133. The reversal of 1243234124 is 4214323421.

It is a junction number, because it is equal to n+sod(n) for n = 1243234093 and 1243234102.

It is not an unprimeable number, because it can be changed into a prime (1243234121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45242 + ... + 67329.

It is an arithmetic number, because the mean of its divisors is an integer number (99288504).

Almost surely, 2^1243234124 is an apocalyptic number.

It is an amenable number.

1243234124 is a deficient number, since it is larger than the sum of its proper divisors (1139689972).

1243234124 is a wasteful number, since it uses less digits than its factorization.

1243234124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112837 (or 112835 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 1243234124 is about 35259.5252945924. The cubic root of 1243234124 is about 1075.2702760834.

Adding to 1243234124 its reverse (4214323421), we get a palindrome (5457557545).

The spelling of 1243234124 in words is "one billion, two hundred forty-three million, two hundred thirty-four thousand, one hundred twenty-four".