61123204 has 12 divisors (see below), whose sum is σ = 108984204. Its totient is φ = 29984864.

The previous prime is 61123201. The next prime is 61123219. The reversal of 61123204 is 40232116.

It can be written as a sum of positive squares in 2 ways, for example, as 25482304 + 35640900 = 5048^2 + 5970^2 .

It is not an unprimeable number, because it can be changed into a prime (61123201) 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 3 ways as a sum of consecutive naturals, for example, 143947 + ... + 144370.

It is an arithmetic number, because the mean of its divisors is an integer number (9082017).

Almost surely, 2^61123204 is an apocalyptic number.

It is an amenable number.

61123204 is a deficient number, since it is larger than the sum of its proper divisors (47861000).

61123204 is a wasteful number, since it uses less digits than its factorization.

61123204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288374 (or 288372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61123204 is about 7818.1330252177. The cubic root of 61123204 is about 393.9145631440.

It can be divided in two parts, 6112 and 3204, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 61123204 in words is "sixty-one million, one hundred twenty-three thousand, two hundred four".