61103200 has 36 divisors (see below), whose sum is σ = 149170140. Its totient is φ = 24440960.

The previous prime is 61103197. The next prime is 61103209. The reversal of 61103200 is 230116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61103209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37390 + ... + 38989.

It is an arithmetic number, because the mean of its divisors is an integer number (4143615).

Almost surely, 2^61103200 is an apocalyptic number.

It is an amenable number.

61103200 is an abundant number, since it is smaller than the sum of its proper divisors (88066940).

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

61103200 is a wasteful number, since it uses less digits than its factorization.

61103200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76399 (or 76386 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 61103200 is about 7816.8535869620. The cubic root of 61103200 is about 393.8715858665.

Adding to 61103200 its reverse (230116), we get a palindrome (61333316).

The spelling of 61103200 in words is "sixty-one million, one hundred three thousand, two hundred".