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125041043 = 731712891
BaseRepresentation
bin1110111001111…
…11100110010011
322201021202001202
413130333212103
5224002303133
620224021415
73045555101
oct734774623
9281252052
10125041043
1164645206
1235a6186b
131cba05aa
141286cc71
15ae9e2e8
hex773f993

125041043 has 4 divisors (see below), whose sum is σ = 126754008. Its totient is φ = 123328080.

The previous prime is 125041039. The next prime is 125041057. The reversal of 125041043 is 340140521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340140521 = 748591503.

It is a cyclic number.

It is not a de Polignac number, because 125041043 - 22 = 125041039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125041013) 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, 856373 + ... + 856518.

It is an arithmetic number, because the mean of its divisors is an integer number (31688502).

Almost surely, 2125041043 is an apocalyptic number.

125041043 is a deficient number, since it is larger than the sum of its proper divisors (1712965).

125041043 is an equidigital number, since it uses as much as digits as its factorization.

125041043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712964.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 125041043 is about 11182.1752356149. The cubic root of 125041043 is about 500.0547180117.

Adding to 125041043 its reverse (340140521), we get a palindrome (465181564).

The spelling of 125041043 in words is "one hundred twenty-five million, forty-one thousand, forty-three".

Divisors: 1 73 1712891 125041043