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125677 = 1091153
BaseRepresentation
bin11110101011101101
320101101201
4132223231
513010202
62405501
71032256
oct365355
9211351
10125677
1186472
1260891
1345286
1433b2d
1527387
hex1eaed

125677 has 4 divisors (see below), whose sum is σ = 126940. Its totient is φ = 124416.

The previous prime is 125669. The next prime is 125683. The reversal of 125677 is 776521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93636 + 32041 = 306^2 + 179^2 .

It is a 5-Lehmer number, since φ(125677) divides (125677-1)5.

It is a cyclic number.

It is not a de Polignac number, because 125677 - 23 = 125669 is a prime.

It is a Duffinian number.

125677 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468 + ... + 685.

It is an arithmetic number, because the mean of its divisors is an integer number (31735).

2125677 is an apocalyptic number.

It is an amenable number.

125677 is a deficient number, since it is larger than the sum of its proper divisors (1263).

125677 is a wasteful number, since it uses less digits than its factorization.

125677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its digits is 2940, while the sum is 28.

The square root of 125677 is about 354.5095203235. The cubic root of 125677 is about 50.0901041938.

The spelling of 125677 in words is "one hundred twenty-five thousand, six hundred seventy-seven".

Divisors: 1 109 1153 125677