105247924 has 6 divisors (see below), whose sum is σ = 184183874. Its totient is φ = 52623960.

The previous prime is 105247907. The next prime is 105247927. The reversal of 105247924 is 429742501.

It can be written as a sum of positive squares in only one way, i.e., 97022500 + 8225424 = 9850^2 + 2868^2 .

It is a super-3 number, since 3×105247924³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 105247924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105247927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13155987 + ... + 13155994.

Almost surely, 2^105247924 is an apocalyptic number.

It is an amenable number.

105247924 is a deficient number, since it is larger than the sum of its proper divisors (78935950).

105247924 is a wasteful number, since it uses less digits than its factorization.

105247924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26311985 (or 26311983 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 105247924 is about 10259.0410857935. The cubic root of 105247924 is about 472.1404171425.

The spelling of 105247924 in words is "one hundred five million, two hundred forty-seven thousand, nine hundred twenty-four".