10129215 has 16 divisors (see below), whose sum is σ = 16436736. Its totient is φ = 5325600.

The previous prime is 10129213. The next prime is 10129253. The reversal of 10129215 is 51292101.

It is not a de Polignac number, because 10129215 - 2¹ = 10129213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10129191 and 10129200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10129213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3691 + ... + 5820.

It is an arithmetic number, because the mean of its divisors is an integer number (1027296).

Almost surely, 2^10129215 is an apocalyptic number.

10129215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10129215 is a deficient number, since it is larger than the sum of its proper divisors (6307521).

10129215 is an equidigital number, since it uses as much as digits as its factorization.

10129215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9590.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 10129215 is about 3182.6427697748. The cubic root of 10129215 is about 216.3674515390.

It can be divided in two parts, 1012921 and 5, that multiplied together give a palindrome (5064605).

The spelling of 10129215 in words is "ten million, one hundred twenty-nine thousand, two hundred fifteen".