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BaseRepresentation
bin1111001000111…
…11110100000001
322211222200020001
413210133310001
5230003224001
620334120001
73101356501
oct744376401
9284880201
10127008001
1165768a9a
1236650001
132040b983
1412c21a01
15b23c001
hex791fd01

127008001 has 8 divisors (see below), whose sum is σ = 133576704. Its totient is φ = 120526560.

The previous prime is 127007987. The next prime is 127008029. The reversal of 127008001 is 100800721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127008001 - 211 = 127005953 is a prime.

It is a super-2 number, since 2×1270080012 = 32262064636032002, which contains 22 as substring.

It is a Duffinian number.

127008001 is a modest number, since divided by 8001 gives 127 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 127008001.

It is not an unprimeable number, because it can be changed into a prime (127008031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18820 + ... + 24661.

It is an arithmetic number, because the mean of its divisors is an integer number (16697088).

Almost surely, 2127008001 is an apocalyptic number.

It is an amenable number.

127008001 is a deficient number, since it is larger than the sum of its proper divisors (6568703).

127008001 is a wasteful number, since it uses less digits than its factorization.

127008001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43631.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 127008001 is about 11269.7826509654. The cubic root of 127008001 is about 502.6631250136.

Adding to 127008001 its reverse (100800721), we get a palindrome (227808722).

The spelling of 127008001 in words is "one hundred twenty-seven million, eight thousand, one".