630217124 has 6 divisors (see below), whose sum is σ = 1102879974. Its totient is φ = 315108560.

The previous prime is 630217123. The next prime is 630217127. The reversal of 630217124 is 421712036.

It can be written as a sum of positive squares in only one way, i.e., 437562724 + 192654400 = 20918^2 + 13880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 630217093 and 630217102.

It is not an unprimeable number, because it can be changed into a prime (630217123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78777137 + ... + 78777144.

It is an arithmetic number, because the mean of its divisors is an integer number (183813329).

Almost surely, 2^630217124 is an apocalyptic number.

It is an amenable number.

630217124 is a deficient number, since it is larger than the sum of its proper divisors (472662850).

630217124 is a wasteful number, since it uses less digits than its factorization.

630217124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157554285 (or 157554283 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 630217124 is about 25104.1256370342. The cubic root of 630217124 is about 857.3603595284.

The spelling of 630217124 in words is "six hundred thirty million, two hundred seventeen thousand, one hundred twenty-four".