10128247 has 4 divisors (see below), whose sum is σ = 10319400. Its totient is φ = 9937096.

The previous prime is 10128229. The next prime is 10128253. The reversal of 10128247 is 74282101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74282101 = 167 ⋅444803.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10128247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10128347) 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, 95497 + ... + 95602.

It is an arithmetic number, because the mean of its divisors is an integer number (2579850).

Almost surely, 2^10128247 is an apocalyptic number.

10128247 is a deficient number, since it is larger than the sum of its proper divisors (191153).

10128247 is an equidigital number, since it uses as much as digits as its factorization.

10128247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191152.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 10128247 is about 3182.4906912668. The cubic root of 10128247 is about 216.3605589231.

The spelling of 10128247 in words is "ten million, one hundred twenty-eight thousand, two hundred forty-seven".