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125117641 = 1119598649
BaseRepresentation
bin1110111010100…
…10010011001001
322201102122010201
413131102103021
5224012231031
620225412201
73046324315
oct735222311
9281378121
10125117641
1164697810
1235a9a061
131cbc940c
141288cb45
15aeb6d61
hex77524c9

125117641 has 8 divisors (see below), whose sum is σ = 143676000. Its totient is φ = 107756640.

The previous prime is 125117639. The next prime is 125117711. The reversal of 125117641 is 146711521.

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

It is a cyclic number.

It is not a de Polignac number, because 125117641 - 21 = 125117639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125117621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299116 + ... + 299533.

It is an arithmetic number, because the mean of its divisors is an integer number (17959500).

Almost surely, 2125117641 is an apocalyptic number.

125117641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125117641 is a deficient number, since it is larger than the sum of its proper divisors (18558359).

125117641 is a wasteful number, since it uses less digits than its factorization.

125117641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598679.

The product of its digits is 1680, while the sum is 28.

The square root of 125117641 is about 11185.5997157059. The cubic root of 125117641 is about 500.1568054856.

The spelling of 125117641 in words is "one hundred twenty-five million, one hundred seventeen thousand, six hundred forty-one".

Divisors: 1 11 19 209 598649 6585139 11374331 125117641