61122384 has 80 divisors (see below), whose sum is σ = 176794240. Its totient is φ = 20217600.

The previous prime is 61122371. The next prime is 61122443. The reversal of 61122384 is 48322116.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64764 + ... + 65700.

It is an arithmetic number, because the mean of its divisors is an integer number (2209928).

Almost surely, 2^61122384 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 61122384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88397120).

61122384 is an abundant number, since it is smaller than the sum of its proper divisors (115671856).

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

61122384 is a wasteful number, since it uses less digits than its factorization.

61122384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1093 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 61122384 is about 7818.0805828541. The cubic root of 61122384 is about 393.9128016123.

The spelling of 61122384 in words is "sixty-one million, one hundred twenty-two thousand, three hundred eighty-four".