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125000801 is a prime number
BaseRepresentation
bin1110111001101…
…01110001100001
322201012200212022
413130311301201
5224000011201
620223111225
73045326552
oct734656141
9281180768
10125000801
1164617a52
1235a42515
131cb88193
141285c329
15ae9241b
hex7735c61

125000801 has 2 divisors, whose sum is σ = 125000802. Its totient is φ = 125000800.

The previous prime is 125000789. The next prime is 125000809. The reversal of 125000801 is 108000521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95570176 + 29430625 = 9776^2 + 5425^2 .

It is a cyclic number.

It is not a de Polignac number, because 125000801 - 214 = 124984417 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125000801.

It is not a weakly prime, because it can be changed into another prime (125000809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62500400 + 62500401.

It is an arithmetic number, because the mean of its divisors is an integer number (62500401).

Almost surely, 2125000801 is an apocalyptic number.

It is an amenable number.

125000801 is a deficient number, since it is larger than the sum of its proper divisors (1).

125000801 is an equidigital number, since it uses as much as digits as its factorization.

125000801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 125000801 is about 11180.3757092506. The cubic root of 125000801 is about 500.0010679977.

The spelling of 125000801 in words is "one hundred twenty-five million, eight hundred one", and thus it is an aban number.