10123145 has 8 divisors (see below), whose sum is σ = 12165000. Its totient is φ = 8087040.

The previous prime is 10123111. The next prime is 10123153. The reversal of 10123145 is 54132101.

It can be written as a sum of positive squares in 4 ways, for example, as 1666681 + 8456464 = 1291^2 + 2908^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-10123145 is a prime.

It is an unprimeable number.

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, 5435 + ... + 7055.

It is an arithmetic number, because the mean of its divisors is an integer number (1520625).

Almost surely, 2^10123145 is an apocalyptic number.

It is an amenable number.

10123145 is a deficient number, since it is larger than the sum of its proper divisors (2041855).

10123145 is a wasteful number, since it uses less digits than its factorization.

10123145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 10123145 is about 3181.6890168588. The cubic root of 10123145 is about 216.3242230209.

Adding to 10123145 its reverse (54132101), we get a palindrome (64255246).

The spelling of 10123145 in words is "ten million, one hundred twenty-three thousand, one hundred forty-five".