61060420 has 12 divisors (see below), whose sum is σ = 128226924. Its totient is φ = 24424160.

The previous prime is 61060409. The next prime is 61060429. The reversal of 61060420 is 2406016.

61060420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 43771456 + 17288964 = 6616^2 + 4158^2 .

It is not an unprimeable number, because it can be changed into a prime (61060429) 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 3 ways as a sum of consecutive naturals, for example, 1526491 + ... + 1526530.

It is an arithmetic number, because the mean of its divisors is an integer number (10685577).

Almost surely, 2^61060420 is an apocalyptic number.

It is an amenable number.

61060420 is an abundant number, since it is smaller than the sum of its proper divisors (67166504).

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

61060420 is a wasteful number, since it uses less digits than its factorization.

61060420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053030 (or 3053028 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61060420 is about 7814.1167127194. The cubic root of 61060420 is about 393.7796443625.

Adding to 61060420 its reverse (2406016), we get a palindrome (63466436).

The spelling of 61060420 in words is "sixty-one million, sixty thousand, four hundred twenty".