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125141321 = 2353251409
BaseRepresentation
bin1110111010110…
…00000101001001
322201110211121202
413131120011021
5224014010241
620230113545
73046453334
oct735300511
9281424552
10125141321
1164703588
1235aab8b5
131cc07126
141289761b
15aebdd9b
hex7758149

125141321 has 16 divisors (see below), whose sum is σ = 133902720. Its totient is φ = 116688000.

The previous prime is 125141299. The next prime is 125141347. The reversal of 125141321 is 123141521.

It is a cyclic number.

It is not a de Polignac number, because 125141321 - 218 = 124879177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125141293 and 125141302.

It is not an unprimeable number, because it can be changed into a prime (125141381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305765 + ... + 306173.

It is an arithmetic number, because the mean of its divisors is an integer number (8368920).

Almost surely, 2125141321 is an apocalyptic number.

It is an amenable number.

125141321 is a deficient number, since it is larger than the sum of its proper divisors (8761399).

125141321 is a wasteful number, since it uses less digits than its factorization.

125141321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its digits is 240, while the sum is 20.

The square root of 125141321 is about 11186.6581694445. The cubic root of 125141321 is about 500.1883570343.

Adding to 125141321 its reverse (123141521), we get a palindrome (248282842).

The spelling of 125141321 in words is "one hundred twenty-five million, one hundred forty-one thousand, three hundred twenty-one".

Divisors: 1 23 53 251 409 1219 5773 9407 13303 21677 102659 305969 498571 2361157 5440927 125141321