4123915 has 8 divisors (see below), whose sum is σ = 5064048. Its totient is φ = 3222240.

The previous prime is 4123913. The next prime is 4123927. The reversal of 4123915 is 5193214.

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

It is not a de Polignac number, because 4123915 - 2¹ = 4123913 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4123915.

It is not an unprimeable number, because it can be changed into a prime (4123913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9376 + ... + 9805.

It is an arithmetic number, because the mean of its divisors is an integer number (633006).

Almost surely, 2^4123915 is an apocalyptic number.

4123915 is a deficient number, since it is larger than the sum of its proper divisors (940133).

4123915 is a wasteful number, since it uses less digits than its factorization.

4123915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19229.

The product of its digits is 1080, while the sum is 25.

The square root of 4123915 is about 2030.7424750568. The cubic root of 4123915 is about 160.3626539546.

The spelling of 4123915 in words is "four million, one hundred twenty-three thousand, nine hundred fifteen".