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125880969 = 3193217411
BaseRepresentation
bin1111000000011…
…00101010001001
322202212102020010
413200030222021
5224211142334
620254022133
73055653624
oct740145211
9282772203
10125880969
1165069265
12361a7949
13201059a6
1412a0adbb
15b0b80e9
hex780ca89

125880969 has 8 divisors (see below), whose sum is σ = 168711712. Its totient is φ = 83485440.

The previous prime is 125880961. The next prime is 125880991. The reversal of 125880969 is 969088521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125880969 - 23 = 125880961 is a prime.

It is a super-2 number, since 2×1258809692 = 31692036712757922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125880961) 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 7 ways as a sum of consecutive naturals, for example, 108127 + ... + 109284.

It is an arithmetic number, because the mean of its divisors is an integer number (21088964).

Almost surely, 2125880969 is an apocalyptic number.

It is an amenable number.

125880969 is a deficient number, since it is larger than the sum of its proper divisors (42830743).

125880969 is a wasteful number, since it uses less digits than its factorization.

125880969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217607.

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 125880969 is about 11219.6688453804. The cubic root of 125880969 is about 501.1718765980.

The spelling of 125880969 in words is "one hundred twenty-five million, eight hundred eighty thousand, nine hundred sixty-nine".

Divisors: 1 3 193 579 217411 652233 41960323 125880969