105050187 has 24 divisors (see below), whose sum is σ = 168665328. Its totient is φ = 62462400.

The previous prime is 105050137. The next prime is 105050219. The reversal of 105050187 is 781050501.

It is not a de Polignac number, because 105050187 - 2²⁴ = 88272971 is a prime.

It is a super-2 number, since 2×105050187² = 22071083577469938, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 105050187.

It is not an unprimeable number, because it can be changed into a prime (105050117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4764 + ... + 15257.

It is an arithmetic number, because the mean of its divisors is an integer number (7027722).

Almost surely, 2^105050187 is an apocalyptic number.

105050187 is a deficient number, since it is larger than the sum of its proper divisors (63615141).

105050187 is a wasteful number, since it uses less digits than its factorization.

105050187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20091 (or 20088 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 105050187 is about 10249.3993482545. The cubic root of 105050187 is about 471.8445501571.

The spelling of 105050187 in words is "one hundred five million, fifty thousand, one hundred eighty-seven".