61118042 has 8 divisors (see below), whose sum is σ = 91990836. Its totient is φ = 30454432.

The previous prime is 61118033. The next prime is 61118053. The reversal of 61118042 is 24081116.

61118042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54922921 + 6195121 = 7411^2 + 2489^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 61117999 and 61118017.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51563 + ... + 52734.

Almost surely, 2^61118042 is an apocalyptic number.

61118042 is a deficient number, since it is larger than the sum of its proper divisors (30872794).

61118042 is a wasteful number, since it uses less digits than its factorization.

61118042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104592.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 61118042 is about 7817.8028882801. The cubic root of 61118042 is about 393.9034738245.

Adding to 61118042 its reverse (24081116), we get a palindrome (85199158).

The spelling of 61118042 in words is "sixty-one million, one hundred eighteen thousand, forty-two".