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125120223 = 3227195113
BaseRepresentation
bin1110111010100…
…10111011011111
322201102202200100
413131102323133
5224012321343
620225432143
73046334664
oct735227337
9281382610
10125120223
1164699748
1235a9b653
131cbca647
141288da6b
15aeb79d3
hex7752edf

125120223 has 12 divisors (see below), whose sum is σ = 180831040. Its totient is φ = 83366496.

The previous prime is 125120213. The next prime is 125120231. The reversal of 125120223 is 322021521.

It is not a de Polignac number, because 125120223 - 212 = 125116127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125120196 and 125120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125120213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21915 + ... + 27027.

Almost surely, 2125120223 is an apocalyptic number.

125120223 is a deficient number, since it is larger than the sum of its proper divisors (55710817).

125120223 is a wasteful number, since it uses less digits than its factorization.

125120223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838 (or 7835 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 125120223 is about 11185.7151313629. The cubic root of 125120223 is about 500.1602459703.

Adding to 125120223 its reverse (322021521), we get a palindrome (447141744).

The spelling of 125120223 in words is "one hundred twenty-five million, one hundred twenty thousand, two hundred twenty-three".

Divisors: 1 3 9 2719 5113 8157 15339 24471 46017 13902247 41706741 125120223