105087190 has 16 divisors (see below), whose sum is σ = 203707728. Its totient is φ = 38801376.

The previous prime is 105087163. The next prime is 105087193. The reversal of 105087190 is 91780501.

It is a super-2 number, since 2×105087190² = 22086635004192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105087193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404052 + ... + 404311.

It is an arithmetic number, because the mean of its divisors is an integer number (12731733).

Almost surely, 2^105087190 is an apocalyptic number.

105087190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105087190 is a deficient number, since it is larger than the sum of its proper divisors (98620538).

105087190 is a wasteful number, since it uses less digits than its factorization.

105087190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808383.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 105087190 is about 10251.2043194934. The cubic root of 105087190 is about 471.8999446778.

The spelling of 105087190 in words is "one hundred five million, eighty-seven thousand, one hundred ninety".