105124156 has 6 divisors (see below), whose sum is σ = 183967280. Its totient is φ = 52562076.

The previous prime is 105124127. The next prime is 105124157. The reversal of 105124156 is 651421501.

It is a happy number.

It is a super-2 number, since 2×105124156² = 22102176349424672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105124156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105124157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13140516 + ... + 13140523.

Almost surely, 2^105124156 is an apocalyptic number.

It is an amenable number.

105124156 is a deficient number, since it is larger than the sum of its proper divisors (78843124).

105124156 is a wasteful number, since it uses less digits than its factorization.

105124156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26281043 (or 26281041 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 105124156 is about 10253.0071686311. The cubic root of 105124156 is about 471.9552708260.

Adding to 105124156 its reverse (651421501), we get a palindrome (756545657).

The spelling of 105124156 in words is "one hundred five million, one hundred twenty-four thousand, one hundred fifty-six".