61100042 has 8 divisors (see below), whose sum is σ = 94810500. Its totient is φ = 29496544.

The previous prime is 61100027. The next prime is 61100063. The reversal of 61100042 is 24000116.

It can be written as a sum of positive squares in 2 ways, for example, as 56685841 + 4414201 = 7529^2 + 2101^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526667 + ... + 526782.

Almost surely, 2^61100042 is an apocalyptic number.

61100042 is a deficient number, since it is larger than the sum of its proper divisors (33710458).

61100042 is a wasteful number, since it uses less digits than its factorization.

61100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053480.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 61100042 is about 7816.6515849179. The cubic root of 61100042 is about 393.8648002541.

Adding to 61100042 its reverse (24000116), we get a palindrome (85100158).

The spelling of 61100042 in words is "sixty-one million, one hundred thousand, forty-two".