105252170 has 16 divisors (see below), whose sum is σ = 193029480. Its totient is φ = 41306304.

The previous prime is 105252157. The next prime is 105252193. The reversal of 105252170 is 71252501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 100140049 + 5112121 = 10007^2 + 2261^2 .

It is a super-2 number, since 2×105252170² = 22156038579417800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98765 + ... + 99824.

Almost surely, 2^105252170 is an apocalyptic number.

105252170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105252170 is a deficient number, since it is larger than the sum of its proper divisors (87777310).

105252170 is a wasteful number, since it uses less digits than its factorization.

105252170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198649.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 105252170 is about 10259.2480231253. The cubic root of 105252170 is about 472.1467662186.

The spelling of 105252170 in words is "one hundred five million, two hundred fifty-two thousand, one hundred seventy".