61304124 has 48 divisors (see below), whose sum is σ = 164376576. Its totient is φ = 17419200.

The previous prime is 61304123. The next prime is 61304141. The reversal of 61304124 is 42140316.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 61304124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61304123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14134 + ... + 17954.

It is an arithmetic number, because the mean of its divisors is an integer number (3424512).

Almost surely, 2^61304124 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 61304124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82188288).

61304124 is an abundant number, since it is smaller than the sum of its proper divisors (103072452).

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

61304124 is a wasteful number, since it uses less digits than its factorization.

61304124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026 (or 4024 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 61304124 is about 7829.6950132173. The cubic root of 61304124 is about 394.3028326201.

The spelling of 61304124 in words is "sixty-one million, three hundred four thousand, one hundred twenty-four".