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1301125 = 5371487
BaseRepresentation
bin100111101101010000101
32110002210211
410331222011
5313114000
643515421
714026240
oct4755205
92402724
101301125
11809611
12528b71
133672c7
1425c257
151aa7ba
hex13da85

1301125 has 16 divisors (see below), whose sum is σ = 1857024. Its totient is φ = 891600.

The previous prime is 1301123. The next prime is 1301147. The reversal of 1301125 is 5211031.

It is not a de Polignac number, because 1301125 - 21 = 1301123 is a prime.

It is an Ulam number.

It is a Duffinian number.

1301125 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (116064).

21301125 is an apocalyptic number.

It is an amenable number.

1301125 is a deficient number, since it is larger than the sum of its proper divisors (555899).

1301125 is an equidigital number, since it uses as much as digits as its factorization.

1301125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1301125 is about 1140.6686635478. The cubic root of 1301125 is about 109.1707617160.

Adding to 1301125 its reverse (5211031), we get a palindrome (6512156).

The spelling of 1301125 in words is "one million, three hundred one thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 875 1487 7435 10409 37175 52045 185875 260225 1301125