501661124 has 6 divisors (see below), whose sum is σ = 877906974. Its totient is φ = 250830560.

The previous prime is 501661103. The next prime is 501661201. The reversal of 501661124 is 421166105.

It can be written as a sum of positive squares in only one way, i.e., 430562500 + 71098624 = 20750^2 + 8432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 501661093 and 501661102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62707637 + ... + 62707644.

It is an arithmetic number, because the mean of its divisors is an integer number (146317829).

Almost surely, 2^501661124 is an apocalyptic number.

It is an amenable number.

501661124 is a deficient number, since it is larger than the sum of its proper divisors (376245850).

501661124 is a wasteful number, since it uses less digits than its factorization.

501661124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125415285 (or 125415283 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 501661124 is about 22397.7928376883. The cubic root of 501661124 is about 794.5785110677.

The spelling of 501661124 in words is "five hundred one million, six hundred sixty-one thousand, one hundred twenty-four".