61013124 has 18 divisors (see below), whose sum is σ = 154227710. Its totient is φ = 20337696.

The previous prime is 61013101. The next prime is 61013131. The reversal of 61013124 is 42131016.

It is a happy number.

61013124 is a `hidden beast` number, since 610 + 1 + 31 + 24 = 666.

61013124 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 only one way, i.e., 44756100 + 16257024 = 6690^2 + 4032^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 61013097 and 61013106.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 847369 + ... + 847440.

Almost surely, 2^61013124 is an apocalyptic number.

It is an amenable number.

61013124 is an abundant number, since it is smaller than the sum of its proper divisors (93214586).

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

61013124 is a wasteful number, since it uses less digits than its factorization.

61013124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694819 (or 1694814 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 61013124 is about 7811.0898087271. The cubic root of 61013124 is about 393.6779472088.

The spelling of 61013124 in words is "sixty-one million, thirteen thousand, one hundred twenty-four".