61116123 has 8 divisors (see below), whose sum is σ = 81579600. Its totient is φ = 40698368.

The previous prime is 61116113. The next prime is 61116131. The reversal of 61116123 is 32161116.

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

It is a cyclic number.

It is not a de Polignac number, because 61116123 - 2⁵ = 61116091 is a prime.

It is a super-2 number, since 2×61116123² = 7470360981102258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61116123.

It is not an unprimeable number, because it can be changed into a prime (61116113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8178 + ... + 13751.

It is an arithmetic number, because the mean of its divisors is an integer number (10197450).

Almost surely, 2^61116123 is an apocalyptic number.

61116123 is a deficient number, since it is larger than the sum of its proper divisors (20463477).

61116123 is a wasteful number, since it uses less digits than its factorization.

61116123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22861.

The product of its digits is 216, while the sum is 21.

The square root of 61116123 is about 7817.6801546239. The cubic root of 61116123 is about 393.8993511538.

Adding to 61116123 its reverse (32161116), we get a palindrome (93277239).

The spelling of 61116123 in words is "sixty-one million, one hundred sixteen thousand, one hundred twenty-three".