8122741042 has 24 divisors (see below), whose sum is σ = 13716671724. Its totient is φ = 3585953184.

The previous prime is 8122741009. The next prime is 8122741063. The reversal of 8122741042 is 2401472218.

It can be written as a sum of positive squares in 2 ways, for example, as 7191209601 + 931531441 = 84801^2 + 30521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8122740995 and 8122741013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281533 + ... + 309040.

Almost surely, 2^8122741042 is an apocalyptic number.

8122741042 is a deficient number, since it is larger than the sum of its proper divisors (5593930682).

8122741042 is a wasteful number, since it uses less digits than its factorization.

8122741042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590634 (or 590611 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 8122741042 is about 90126.2505710739. The cubic root of 8122741042 is about 2010.1765512436.

The spelling of 8122741042 in words is "eight billion, one hundred twenty-two million, seven hundred forty-one thousand, forty-two".