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125495201 = 1311385429
BaseRepresentation
bin1110111101011…
…10011110100001
322202010211001102
413132232132201
5224111321301
620241444145
73052456136
oct736563641
9282124042
10125495201
1164925447
1236040655
131cccc220
141294a58d
15b03db6b
hex77ae7a1

125495201 has 8 divisors (see below), whose sum is σ = 136346280. Its totient is φ = 114815232.

The previous prime is 125495191. The next prime is 125495203. The reversal of 125495201 is 102594521.

It can be written as a sum of positive squares in 4 ways, for example, as 26790976 + 98704225 = 5176^2 + 9935^2 .

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

It is not a de Polignac number, because 125495201 - 210 = 125494177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125495203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41246 + ... + 44183.

It is an arithmetic number, because the mean of its divisors is an integer number (17043285).

Almost surely, 2125495201 is an apocalyptic number.

It is an amenable number.

125495201 is a deficient number, since it is larger than the sum of its proper divisors (10851079).

125495201 is a wasteful number, since it uses less digits than its factorization.

125495201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85555.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 125495201 is about 11202.4640593041. The cubic root of 125495201 is about 500.6593980063.

The spelling of 125495201 in words is "one hundred twenty-five million, four hundred ninety-five thousand, two hundred one".

Divisors: 1 13 113 1469 85429 1110577 9653477 125495201