61617124 has 6 divisors (see below), whose sum is σ = 107829974. Its totient is φ = 30808560.

The previous prime is 61617121. The next prime is 61617131. The reversal of 61617124 is 42171616.

It can be written as a sum of positive squares in only one way, i.e., 32262400 + 29354724 = 5680^2 + 5418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61617092 and 61617101.

It is not an unprimeable number, because it can be changed into a prime (61617121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7702137 + ... + 7702144.

Almost surely, 2^61617124 is an apocalyptic number.

It is an amenable number.

61617124 is a deficient number, since it is larger than the sum of its proper divisors (46212850).

61617124 is a wasteful number, since it uses less digits than its factorization.

61617124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15404285 (or 15404283 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 61617124 is about 7849.6575721492. The cubic root of 61617124 is about 394.9727567602.

The spelling of 61617124 in words is "sixty-one million, six hundred seventeen thousand, one hundred twenty-four".