630120248 has 8 divisors (see below), whose sum is σ = 1181475480. Its totient is φ = 315060120.

The previous prime is 630120247. The next prime is 630120289. The reversal of 630120248 is 842021036.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×630120248³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630120247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39382508 + ... + 39382523.

It is an arithmetic number, because the mean of its divisors is an integer number (147684435).

Almost surely, 2^630120248 is an apocalyptic number.

It is an amenable number.

630120248 is a deficient number, since it is larger than the sum of its proper divisors (551355232).

630120248 is a wasteful number, since it uses less digits than its factorization.

630120248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78765037 (or 78765033 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 630120248 is about 25102.1960792278. The cubic root of 630120248 is about 857.3164265751.

The spelling of 630120248 in words is "six hundred thirty million, one hundred twenty thousand, two hundred forty-eight".