61247112 has 64 divisors (see below), whose sum is σ = 159364800. Its totient is φ = 19599360.

The previous prime is 61247033. The next prime is 61247129. The reversal of 61247112 is 21174216.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 65464 + ... + 66392.

It is an arithmetic number, because the mean of its divisors is an integer number (2490075).

Almost surely, 2^61247112 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 61247112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79682400).

61247112 is an abundant number, since it is smaller than the sum of its proper divisors (98117688).

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

61247112 is a wasteful number, since it uses less digits than its factorization.

61247112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 1042 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 61247112 is about 7826.0534115223. The cubic root of 61247112 is about 394.1805626219.

The spelling of 61247112 in words is "sixty-one million, two hundred forty-seven thousand, one hundred twelve".