105140625 has 28 divisors (see below), whose sum is σ = 175310256. Its totient is φ = 56050000.

The previous prime is 105140617. The next prime is 105140639. The reversal of 105140625 is 526041501.

It is not a de Polignac number, because 105140625 - 2³ = 105140617 is a prime.

It is a super-2 number, since 2×105140625² = 22109102050781250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105140595 and 105140604.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 45754 + ... + 47996.

Almost surely, 2^105140625 is an apocalyptic number.

105140625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105140625 is a deficient number, since it is larger than the sum of its proper divisors (70169631).

105140625 is an frugal number, since it uses more digits than its factorization.

105140625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 2251 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 105140625 is about 10253.8102674079. The cubic root of 105140625 is about 471.9799154170.

The spelling of 105140625 in words is "one hundred five million, one hundred forty thousand, six hundred twenty-five".