247189941124 has 81 divisors (see below), whose sum is σ = 534805785423. Its totient is φ = 99659137536.

The previous prime is 247189941113. The next prime is 247189941127. The reversal of 247189941124 is 421149981742.

The square root of 247189941124 is 497182.

It is a perfect power (a square), and thus also a powerful number.

247189941124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 109673568900 + 137516372224 = 331170^2 + 370832^2 .

It is a super-2 number, since 2×247189941124² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247189941127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 118328272 + ... + 118330360.

Almost surely, 2^247189941124 is an apocalyptic number.

247189941124 is the 497182-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247189941124

247189941124 is an abundant number, since it is smaller than the sum of its proper divisors (287615844299).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247189941124 is an equidigital number, since it uses as much as digits as its factorization.

247189941124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230 (or 2115 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The spelling of 247189941124 in words is "two hundred forty-seven billion, one hundred eighty-nine million, nine hundred forty-one thousand, one hundred twenty-four".