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126735425 = 5217298201
BaseRepresentation
bin1111000110111…
…01010001000001
322211110211022122
413203131101001
5224421013200
620324214025
73066143015
oct743352101
9284424278
10126735425
11655a2223
123653a315
132034489b
1412b90545
15b1d6385
hex78dd441

126735425 has 12 divisors (see below), whose sum is σ = 166396716. Its totient is φ = 95424000.

The previous prime is 126735421. The next prime is 126735443. The reversal of 126735425 is 524537621.

It can be written as a sum of positive squares in 6 ways, for example, as 10699441 + 116035984 = 3271^2 + 10772^2 .

It is not a de Polignac number, because 126735425 - 22 = 126735421 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126735421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148676 + ... + 149525.

It is an arithmetic number, because the mean of its divisors is an integer number (13866393).

Almost surely, 2126735425 is an apocalyptic number.

It is an amenable number.

126735425 is a deficient number, since it is larger than the sum of its proper divisors (39661291).

126735425 is a wasteful number, since it uses less digits than its factorization.

126735425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298228 (or 298223 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 126735425 is about 11257.6829321135. The cubic root of 126735425 is about 502.3032735697.

The spelling of 126735425 in words is "one hundred twenty-six million, seven hundred thirty-five thousand, four hundred twenty-five".

Divisors: 1 5 17 25 85 425 298201 1491005 5069417 7455025 25347085 126735425