61120042 has 4 divisors (see below), whose sum is σ = 91680066. Its totient is φ = 30560020.

The previous prime is 61120027. The next prime is 61120051. The reversal of 61120042 is 24002116.

61120042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60543961 + 576081 = 7781^2 + 759^2 .

It is a super-3 number, since 3×61120042³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61119998 and 61120025.

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 as a sum of consecutive naturals, namely, 15280009 + ... + 15280012.

Almost surely, 2^61120042 is an apocalyptic number.

61120042 is a deficient number, since it is larger than the sum of its proper divisors (30560024).

61120042 is a wasteful number, since it uses less digits than its factorization.

61120042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30560023.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 61120042 is about 7817.9308004100. The cubic root of 61120042 is about 393.9077704191.

Adding to 61120042 its reverse (24002116), we get a palindrome (85122158).

The spelling of 61120042 in words is "sixty-one million, one hundred twenty thousand, forty-two".