618126043 has 2 divisors, whose sum is σ = 618126044. Its totient is φ = 618126042.

The previous prime is 618126023. The next prime is 618126073. The reversal of 618126043 is 340621816.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 618126043 - 2²¹ = 616028891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 618125996 and 618126014.

It is not a weakly prime, because it can be changed into another prime (618126013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309063021 + 309063022.

It is an arithmetic number, because the mean of its divisors is an integer number (309063022).

Almost surely, 2^618126043 is an apocalyptic number.

618126043 is a deficient number, since it is larger than the sum of its proper divisors (1).

618126043 is an equidigital number, since it uses as much as digits as its factorization.

618126043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 618126043 is about 24862.1407565801. The cubic root of 618126043 is about 851.8419309533.

Adding to 618126043 its reverse (340621816), we get a palindrome (958747859).

The spelling of 618126043 in words is "six hundred eighteen million, one hundred twenty-six thousand, forty-three".