105472187 has 2 divisors, whose sum is σ = 105472188. Its totient is φ = 105472186.

The previous prime is 105472177. The next prime is 105472219. The reversal of 105472187 is 781274501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105472187 - 2¹² = 105468091 is a prime.

It is a super-2 number, since 2×105472187² = 22248764461125938, which contains 22 as substring.

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

It is not a weakly prime, because it can be changed into another prime (105472127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52736093 + 52736094.

It is an arithmetic number, because the mean of its divisors is an integer number (52736094).

Almost surely, 2^105472187 is an apocalyptic number.

105472187 is a deficient number, since it is larger than the sum of its proper divisors (1).

105472187 is an equidigital number, since it uses as much as digits as its factorization.

105472187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 105472187 is about 10269.9652871857. The cubic root of 105472187 is about 472.4755259199.

The spelling of 105472187 in words is "one hundred five million, four hundred seventy-two thousand, one hundred eighty-seven".