4125081 has 8 divisors (see below), whose sum is σ = 5509504. Its totient is φ = 2745360.

The previous prime is 4125053. The next prime is 4125083. The reversal of 4125081 is 1805214.

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

It is not a de Polignac number, because 4125081 - 2⁹ = 4124569 is a prime.

It is a super-2 number, since 2×4125081² = 34032586513122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125083) 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, 2736 + ... + 3966.

It is an arithmetic number, because the mean of its divisors is an integer number (688688).

Almost surely, 2^4125081 is an apocalyptic number.

It is an amenable number.

4125081 is a deficient number, since it is larger than the sum of its proper divisors (1384423).

4125081 is a wasteful number, since it uses less digits than its factorization.

4125081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 4125081 is about 2031.0295418826. The cubic root of 4125081 is about 160.3777662314.

The spelling of 4125081 in words is "four million, one hundred twenty-five thousand, eighty-one".