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127322001 = 3273193793
BaseRepresentation
bin1111001011011…
…00011110010001
322212120121221200
413211230132101
5230043301001
620344541413
73104135112
oct745543621
9285517850
10127322001
11659629a4
1236781869
13204bb881
1412ca4209
15b2a0086
hex796c791

127322001 has 12 divisors (see below), whose sum is σ = 186429828. Its totient is φ = 83718144.

The previous prime is 127321981. The next prime is 127322003. The reversal of 127322001 is 100223721.

It can be written as a sum of positive squares in 2 ways, for example, as 87329025 + 39992976 = 9345^2 + 6324^2 .

It is not a de Polignac number, because 127322001 - 214 = 127305617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127322003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96240 + ... + 97553.

It is an arithmetic number, because the mean of its divisors is an integer number (15535819).

Almost surely, 2127322001 is an apocalyptic number.

It is an amenable number.

127322001 is a deficient number, since it is larger than the sum of its proper divisors (59107827).

127322001 is a wasteful number, since it uses less digits than its factorization.

127322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193872 (or 193869 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 127322001 is about 11283.7051095817. The cubic root of 127322001 is about 503.0770263068.

Adding to 127322001 its reverse (100223721), we get a palindrome (227545722).

The spelling of 127322001 in words is "one hundred twenty-seven million, three hundred twenty-two thousand, one".

Divisors: 1 3 9 73 219 657 193793 581379 1744137 14146889 42440667 127322001