10124729 has 4 divisors (see below), whose sum is σ = 10238580. Its totient is φ = 10010880.

The previous prime is 10124689. The next prime is 10124731. The reversal of 10124729 is 92742101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2958400 + 7166329 = 1720^2 + 2677^2 .

It is a cyclic number.

It is not a de Polignac number, because 10124729 - 2¹² = 10120633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10124698 and 10124707.

It is not an unprimeable number, because it can be changed into a prime (10124759) 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, 56792 + ... + 56969.

It is an arithmetic number, because the mean of its divisors is an integer number (2559645).

Almost surely, 2^10124729 is an apocalyptic number.

It is an amenable number.

10124729 is a deficient number, since it is larger than the sum of its proper divisors (113851).

10124729 is an equidigital number, since it uses as much as digits as its factorization.

10124729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113850.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 10124729 is about 3181.9379315128. The cubic root of 10124729 is about 216.3355054072.

The spelling of 10124729 in words is "ten million, one hundred twenty-four thousand, seven hundred twenty-nine".