10140247 has 8 divisors (see below), whose sum is σ = 11027744. Its totient is φ = 9268128.

The previous prime is 10140241. The next prime is 10140253. The reversal of 10140247 is 74204101.

It is an interprime number because it is at equal distance from previous prime (10140241) and next prime (10140253).

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

It is a cyclic number.

It is not a de Polignac number, because 10140247 - 2³ = 10140239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140241) 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, 2448 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (1378468).

Almost surely, 2^10140247 is an apocalyptic number.

10140247 is the 1839-th hex number.

10140247 is a deficient number, since it is larger than the sum of its proper divisors (887497).

10140247 is a wasteful number, since it uses less digits than its factorization.

10140247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 10140247 is about 3184.3754489695. The cubic root of 10140247 is about 216.4459735726.

Adding to 10140247 its reverse (74204101), we get a palindrome (84344348).

The spelling of 10140247 in words is "ten million, one hundred forty thousand, two hundred forty-seven".