4125105 has 36 divisors (see below), whose sum is σ = 7473180. Its totient is φ = 2104704.

The previous prime is 4125097. The next prime is 4125113. The reversal of 4125105 is 5015214.

It is an interprime number because it is at equal distance from previous prime (4125097) and next prime (4125113).

It can be written as a sum of positive squares in 6 ways, for example, as 12321 + 4112784 = 111^2 + 2028^2 .

It is not a de Polignac number, because 4125105 - 2³ = 4125097 is a prime.

It is a super-2 number, since 2×4125105² = 34032982522050, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37791 + ... + 37899.

Almost surely, 2^4125105 is an apocalyptic number.

4125105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4125105 is a deficient number, since it is larger than the sum of its proper divisors (3348075).

4125105 is a wasteful number, since it uses less digits than its factorization.

4125105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 4125105 is about 2031.0354502076. The cubic root of 4125105 is about 160.3780772604.

The spelling of 4125105 in words is "four million, one hundred twenty-five thousand, one hundred five".