105124280 has 16 divisors (see below), whose sum is σ = 236529720. Its totient is φ = 42049696.

The previous prime is 105124267. The next prime is 105124297. The reversal of 105124280 is 82421501.

It is a super-2 number, since 2×105124280² = 22102228491036800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314014 + ... + 1314093.

Almost surely, 2^105124280 is an apocalyptic number.

105124280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105124280 is an abundant number, since it is smaller than the sum of its proper divisors (131405440).

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

105124280 is a wasteful number, since it uses less digits than its factorization.

105124280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628118 (or 2628114 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 105124280 is about 10253.0132156357. The cubic root of 105124280 is about 471.9554563921.

Adding to 105124280 its reverse (82421501), we get a palindrome (187545781).

The spelling of 105124280 in words is "one hundred five million, one hundred twenty-four thousand, two hundred eighty".