61171130 has 16 divisors (see below), whose sum is σ = 110605824. Its totient is φ = 24357840.

The previous prime is 61171109. The next prime is 61171133. The reversal of 61171130 is 3117116.

It is not an unprimeable number, because it can be changed into a prime (61171133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11486 + ... + 15945.

It is an arithmetic number, because the mean of its divisors is an integer number (6912864).

Almost surely, 2^61171130 is an apocalyptic number.

61171130 is a deficient number, since it is larger than the sum of its proper divisors (49434694).

61171130 is a wasteful number, since it uses less digits than its factorization.

61171130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27661.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 61171130 is about 7821.1974786474. The cubic root of 61171130 is about 394.0174908706.

Adding to 61171130 its reverse (3117116), we get a palindrome (64288246).

The spelling of 61171130 in words is "sixty-one million, one hundred seventy-one thousand, one hundred thirty".