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127081054 = 2717271231
BaseRepresentation
bin1111001001100…
…01101001011110
322212010101102201
413210301221132
5230013043204
620335442114
73102112462
oct744615136
9285111381
10127081054
1165808971
123668633a
1320435cb9
1412c404a2
15b2539a4
hex7931a5e

127081054 has 16 divisors (see below), whose sum is σ = 193729536. Its totient is φ = 62508600.

The previous prime is 127081037. The next prime is 127081061. The reversal of 127081054 is 450180721.

It is a super-2 number, since 2×1270810542 = 32299188571501832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102619 + ... + 103849.

It is an arithmetic number, because the mean of its divisors is an integer number (12108096).

Almost surely, 2127081054 is an apocalyptic number.

127081054 is a deficient number, since it is larger than the sum of its proper divisors (66648482).

127081054 is a wasteful number, since it uses less digits than its factorization.

127081054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 127081054 is about 11273.0232857029. The cubic root of 127081054 is about 502.7594811770.

The spelling of 127081054 in words is "one hundred twenty-seven million, eighty-one thousand, fifty-four".

Divisors: 1 2 71 142 727 1231 1454 2462 51617 87401 103234 174802 894937 1789874 63540527 127081054