10103520 has 192 divisors, whose sum is σ = 37933056. Its totient is φ = 2211840.

The previous prime is 10103477. The next prime is 10103521. The reversal of 10103520 is 2530101.

It is a super-2 number, since 2×10103520² = 204162232780800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10103496 and 10103505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104112 + ... + 104208.

It is an arithmetic number, because the mean of its divisors is an integer number (197568).

Almost surely, 2^10103520 is an apocalyptic number.

10103520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10103520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18966528).

10103520 is an abundant number, since it is smaller than the sum of its proper divisors (27829536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10103520 is a wasteful number, since it uses less digits than its factorization.

10103520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 10103520 is about 3178.6034669332. The cubic root of 10103520 is about 216.1843419455.

Adding to 10103520 its reverse (2530101), we get a palindrome (12633621).

The spelling of 10103520 in words is "ten million, one hundred three thousand, five hundred twenty".