4123252187 has 4 divisors (see below), whose sum is σ = 4340265480. Its totient is φ = 3906238896.

The previous prime is 4123252163. The next prime is 4123252201. The reversal of 4123252187 is 7812523214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4123252187 - 2¹⁰ = 4123251163 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4123252127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108506618 + ... + 108506655.

It is an arithmetic number, because the mean of its divisors is an integer number (1085066370).

Almost surely, 2^4123252187 is an apocalyptic number.

4123252187 is a deficient number, since it is larger than the sum of its proper divisors (217013293).

4123252187 is a wasteful number, since it uses less digits than its factorization.

4123252187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217013292.

The product of its digits is 26880, while the sum is 35.

The square root of 4123252187 is about 64212.5547459373. The cubic root of 4123252187 is about 1603.5406210712.

The spelling of 4123252187 in words is "four billion, one hundred twenty-three million, two hundred fifty-two thousand, one hundred eighty-seven".