61818124 has 6 divisors (see below), whose sum is σ = 108181724. Its totient is φ = 30909060.

The previous prime is 61818121. The next prime is 61818143. The reversal of 61818124 is 42181816.

61818124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61818121) by changing a digit.

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, 7727262 + ... + 7727269.

Almost surely, 2^61818124 is an apocalyptic number.

It is an amenable number.

61818124 is a deficient number, since it is larger than the sum of its proper divisors (46363600).

61818124 is a wasteful number, since it uses less digits than its factorization.

61818124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15454535 (or 15454533 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 61818124 is about 7862.4502542146. The cubic root of 61818124 is about 395.4017682106.

It can be divided in two parts, 6181812 and 4, that added together give a palindrome (6181816).

The spelling of 61818124 in words is "sixty-one million, eight hundred eighteen thousand, one hundred twenty-four".