4129245 has 32 divisors (see below), whose sum is σ = 7459200. Its totient is φ = 2166912.

The previous prime is 4129243. The next prime is 4129309. The reversal of 4129245 is 5429214.

4129245 is a `hidden beast` number, since 412 + 9 + 245 = 666.

It is not a de Polignac number, because 4129245 - 2¹ = 4129243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129241) 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 in 31 ways as a sum of consecutive naturals, for example, 9646 + ... + 10064.

It is an arithmetic number, because the mean of its divisors is an integer number (233100).

Almost surely, 2^4129245 is an apocalyptic number.

4129245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4129245 is a deficient number, since it is larger than the sum of its proper divisors (3329955).

4129245 is a wasteful number, since it uses less digits than its factorization.

4129245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 500 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4129245 is about 2032.0543791936. The cubic root of 4129245 is about 160.4317117127.

The spelling of 4129245 in words is "four million, one hundred twenty-nine thousand, two hundred forty-five".