10125919 has 4 divisors (see below), whose sum is σ = 10133496. Its totient is φ = 10118344.

The previous prime is 10125887. The next prime is 10125923. The reversal of 10125919 is 91952101.

10125919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10125919 - 2⁵ = 10125887 is a prime.

It is a super-2 number, since 2×10125919² = 205068471189122, 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 (10125979) 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, 1189 + ... + 4654.

It is an arithmetic number, because the mean of its divisors is an integer number (2533374).

Almost surely, 2^10125919 is an apocalyptic number.

10125919 is a deficient number, since it is larger than the sum of its proper divisors (7577).

10125919 is an equidigital number, since it uses as much as digits as its factorization.

10125919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 10125919 is about 3182.1249189810. The cubic root of 10125919 is about 216.3439806684.

The spelling of 10125919 in words is "ten million, one hundred twenty-five thousand, nine hundred nineteen".