61126420 has 48 divisors (see below), whose sum is σ = 139507200. Its totient is φ = 22412160.

The previous prime is 61126409. The next prime is 61126427. The reversal of 61126420 is 2462116.

61126420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61126391 and 61126400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61126427) 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 in 15 ways as a sum of consecutive naturals, for example, 9186 + ... + 14374.

It is an arithmetic number, because the mean of its divisors is an integer number (2906400).

Almost surely, 2^61126420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61126420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69753600).

61126420 is an abundant number, since it is smaller than the sum of its proper divisors (78380780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61126420 is a wasteful number, since it uses less digits than its factorization.

61126420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248 (or 5246 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 61126420 is about 7818.3386982146. The cubic root of 61126420 is about 393.9214716334.

Adding to 61126420 its reverse (2462116), we get a palindrome (63588536).

The spelling of 61126420 in words is "sixty-one million, one hundred twenty-six thousand, four hundred twenty".