2103520 has 24 divisors (see below), whose sum is σ = 4969944. Its totient is φ = 841344.

The previous prime is 2103503. The next prime is 2103523. The reversal of 2103520 is 253012.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2103520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103523) 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, 6414 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (207081).

2^2103520 is an apocalyptic number.

2103520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103520 is an abundant number, since it is smaller than the sum of its proper divisors (2866424).

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

2103520 is a wasteful number, since it uses less digits than its factorization.

2103520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13162 (or 13154 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2103520 is about 1450.3516814897. The cubic root of 2103520 is about 128.1294263789.

Adding to 2103520 its reverse (253012), we get a palindrome (2356532).

The spelling of 2103520 in words is "two million, one hundred three thousand, five hundred twenty".