1242516233 has 16 divisors (see below), whose sum is σ = 1431365760. Its totient is φ = 1056537216.

The previous prime is 1242516221. The next prime is 1242516257. The reversal of 1242516233 is 3326152421.

It is a happy number.

It is not a de Polignac number, because 1242516233 - 2⁶ = 1242516169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242516196 and 1242516205.

It is not an unprimeable number, because it can be changed into a prime (1242516263) 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 15 ways as a sum of consecutive naturals, for example, 562910 + ... + 565112.

It is an arithmetic number, because the mean of its divisors is an integer number (89460360).

Almost surely, 2^1242516233 is an apocalyptic number.

It is an amenable number.

1242516233 is a deficient number, since it is larger than the sum of its proper divisors (188849527).

1242516233 is a wasteful number, since it uses less digits than its factorization.

1242516233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816.

The product of its digits is 8640, while the sum is 29.

The square root of 1242516233 is about 35249.3437243873. The cubic root of 1242516233 is about 1075.0632688200.

Adding to 1242516233 its reverse (3326152421), we get a palindrome (4568668654).

The spelling of 1242516233 in words is "one billion, two hundred forty-two million, five hundred sixteen thousand, two hundred thirty-three".