105247038724 has 9 divisors (see below), whose sum is σ = 184183453237. Its totient is φ = 52623194944.

The previous prime is 105247038719. The next prime is 105247038737. The reversal of 105247038724 is 427830742501.

The square root of 105247038724 is 324418.

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

It can be written as a sum of positive squares in only one way, i.e., 99591998724 + 5655040000 = 315582^2 + 75200^2 .

It is a super-2 number, since 2×105247038724² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 567732 + ... + 729940.

Almost surely, 2^105247038724 is an apocalyptic number.

105247038724 is the 324418-th square number.

It is an amenable number.

105247038724 is a deficient number, since it is larger than the sum of its proper divisors (78936414513).

105247038724 is an frugal number, since it uses more digits than its factorization.

105247038724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324422 (or 162211 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 105247038724 in words is "one hundred five billion, two hundred forty-seven million, thirty-eight thousand, seven hundred twenty-four".