103103520 has 288 divisors, whose sum is σ = 371879424. Its totient is φ = 23961600.

The previous prime is 103103467. The next prime is 103103537. The reversal of 103103520 is 25301301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103103520.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2514700 + ... + 2514740.

It is an arithmetic number, because the mean of its divisors is an integer number (1291248).

Almost surely, 2^103103520 is an apocalyptic number.

103103520 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 103103520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185939712).

103103520 is an abundant number, since it is smaller than the sum of its proper divisors (268775904).

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

103103520 is a wasteful number, since it uses less digits than its factorization.

103103520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 103103520 is about 10153.9903486265. The cubic root of 103103520 is about 468.9118026316.

Adding to 103103520 its reverse (25301301), we get a palindrome (128404821).

The spelling of 103103520 in words is "one hundred three million, one hundred three thousand, five hundred twenty".