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BaseRepresentation
bin1000000001011101010000
310221211221100
420001131100
51014244440
6113024400
723606355
oct10013520
93854840
102103120
111207118
12855100
13588366
143ca62c
152b8230
hex201750

2103120 has 120 divisors (see below), whose sum is σ = 7428096. Its totient is φ = 532224.

The previous prime is 2103119. The next prime is 2103139. The reversal of 2103120 is 213012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×21031202 = 8846227468800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16497 + ... + 16623.

22103120 is an apocalyptic number.

2103120 is a gapful number since it is divisible by the number (20) 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 2103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3714048).

2103120 is an abundant number, since it is smaller than the sum of its proper divisors (5324976).

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

2103120 is a wasteful number, since it uses less digits than its factorization.

2103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2103120 is about 1450.2137773446. The cubic root of 2103120 is about 128.1213042757.

Adding to 2103120 its reverse (213012), we get a palindrome (2316132).

The spelling of 2103120 in words is "two million, one hundred three thousand, one hundred twenty".