10124391 has 4 divisors (see below), whose sum is σ = 13499192. Its totient is φ = 6749592.

The previous prime is 10124371. The next prime is 10124407. The reversal of 10124391 is 19342101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10124391 - 2⁶ = 10124327 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 (10124311) 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, 1687396 + ... + 1687401.

It is an arithmetic number, because the mean of its divisors is an integer number (3374798).

Almost surely, 2^10124391 is an apocalyptic number.

10124391 is a deficient number, since it is larger than the sum of its proper divisors (3374801).

10124391 is an equidigital number, since it uses as much as digits as its factorization.

10124391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374800.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 10124391 is about 3181.8848187827. The cubic root of 10124391 is about 216.3330980271. Note that the first 3 decimals are identical.

Adding to 10124391 its reverse (19342101), we get a palindrome (29466492).

The spelling of 10124391 in words is "ten million, one hundred twenty-four thousand, three hundred ninety-one".