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125085043 = 1030112143
BaseRepresentation
bin1110111010010…
…10010101110011
322201100222102101
413131022111303
5224010210133
620225001231
73046130266
oct735122563
9281328371
10125085043
1164675276
1235a83217
131cbb7625
1412880cdd
15aeac37d
hex774a573

125085043 has 4 divisors (see below), whose sum is σ = 125107488. Its totient is φ = 125062600.

The previous prime is 125085041. The next prime is 125085061. The reversal of 125085043 is 340580521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 340580521 = 1033306607.

It is a cyclic number.

It is not a de Polignac number, because 125085043 - 21 = 125085041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125085041) 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, 4230 + ... + 16372.

It is an arithmetic number, because the mean of its divisors is an integer number (31276872).

Almost surely, 2125085043 is an apocalyptic number.

125085043 is a deficient number, since it is larger than the sum of its proper divisors (22445).

125085043 is a wasteful number, since it uses less digits than its factorization.

125085043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22444.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 125085043 is about 11184.1424794215. The cubic root of 125085043 is about 500.1133649615.

The spelling of 125085043 in words is "one hundred twenty-five million, eighty-five thousand, forty-three".

Divisors: 1 10301 12143 125085043