10520115 has 8 divisors (see below), whose sum is σ = 16832208. Its totient is φ = 5610720.

The previous prime is 10520101. The next prime is 10520117. The reversal of 10520115 is 51102501.

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

It is not a de Polignac number, because 10520115 - 2⁶ = 10520051 is a prime.

It is a super-2 number, since 2×10520115² = 221345639226450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 701341 = 10520115 / (1 + 0 + 5 + 2 + 0 + 1 + 1 + 5).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 10520094 and 10520103.

It is not an unprimeable number, because it can be changed into a prime (10520117) 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, 350656 + ... + 350685.

It is an arithmetic number, because the mean of its divisors is an integer number (2104026).

Almost surely, 2^10520115 is an apocalyptic number.

10520115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10520115 is a deficient number, since it is larger than the sum of its proper divisors (6312093).

10520115 is an equidigital number, since it uses as much as digits as its factorization.

10520115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701349.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 10520115 is about 3243.4726760064. The cubic root of 10520115 is about 219.1156995864.

Adding to 10520115 its reverse (51102501), we get a palindrome (61622616).

The spelling of 10520115 in words is "ten million, five hundred twenty thousand, one hundred fifteen".