3870123 has 8 divisors (see below), whose sum is σ = 5183808. Its totient is φ = 2568264.

The previous prime is 3870077. The next prime is 3870149. The reversal of 3870123 is 3210783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3870123 - 2⁶ = 3870059 is a prime.

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

3870123 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3870093 and 3870102.

It is not an unprimeable number, because it can be changed into a prime (3870173) 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 7 ways as a sum of consecutive naturals, for example, 2161 + ... + 3522.

It is an arithmetic number, because the mean of its divisors is an integer number (647976).

Almost surely, 2^3870123 is an apocalyptic number.

3870123 is a deficient number, since it is larger than the sum of its proper divisors (1313685).

3870123 is a wasteful number, since it uses less digits than its factorization.

3870123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 3870123 is about 1967.2628192491. The cubic root of 3870123 is about 157.0031102742.

It can be divided in two parts, 3870 and 123, that added together give a palindrome (3993).

The spelling of 3870123 in words is "three million, eight hundred seventy thousand, one hundred twenty-three".