105247738 has 8 divisors (see below), whose sum is σ = 161722260. Its totient is φ = 51340320.

The previous prime is 105247693. The next prime is 105247777. The reversal of 105247738 is 837742501.

It can be written as a sum of positive squares in 2 ways, for example, as 81306289 + 23941449 = 9017^2 + 4893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105247738² = 22154172708233288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105247697 and 105247706.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 641673 + ... + 641836.

Almost surely, 2^105247738 is an apocalyptic number.

105247738 is a deficient number, since it is larger than the sum of its proper divisors (56474522).

105247738 is a wasteful number, since it uses less digits than its factorization.

105247738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283552.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 105247738 is about 10259.0320206148. The cubic root of 105247738 is about 472.1401390113.

The spelling of 105247738 in words is "one hundred five million, two hundred forty-seven thousand, seven hundred thirty-eight".