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1200130 = 25432791
BaseRepresentation
bin100100101000000000010
32020222021021
410211000002
5301401010
641420054
713125631
oct4450002
92228237
101200130
1174a748
1249a62a
13330349
14233518
1518a8da
hex125002

1200130 has 16 divisors (see below), whose sum is σ = 2211264. Its totient is φ = 468720.

The previous prime is 1200109. The next prime is 1200139. The reversal of 1200130 is 310021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966 + ... + 1825.

It is an arithmetic number, because the mean of its divisors is an integer number (138204).

21200130 is an apocalyptic number.

1200130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200130 is a deficient number, since it is larger than the sum of its proper divisors (1011134).

1200130 is a wasteful number, since it uses less digits than its factorization.

1200130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1200130 is about 1095.5044500138. The cubic root of 1200130 is about 106.2696941579.

Adding to 1200130 its reverse (310021), we get a palindrome (1510151).

The spelling of 1200130 in words is "one million, two hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 2791 5582 13955 27910 120013 240026 600065 1200130