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125054131 is a prime number
BaseRepresentation
bin1110111010000…
…10110010110011
322201022102000111
413131002302303
5224003213011
620224202151
73045641206
oct735026263
9281272014
10125054131
1164654024
1235a69357
131cba6537
141287393d
15aea3121
hex7742cb3

125054131 has 2 divisors, whose sum is σ = 125054132. Its totient is φ = 125054130.

The previous prime is 125054107. The next prime is 125054147. The reversal of 125054131 is 131450521.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (131450521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125054131 - 225 = 91499699 is a prime.

It is a super-2 number, since 2×1250541312 = 31277071360330322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125054161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62527065 + 62527066.

It is an arithmetic number, because the mean of its divisors is an integer number (62527066).

Almost surely, 2125054131 is an apocalyptic number.

125054131 is a deficient number, since it is larger than the sum of its proper divisors (1).

125054131 is an equidigital number, since it uses as much as digits as its factorization.

125054131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 125054131 is about 11182.7604373875. The cubic root of 125054131 is about 500.0721642508.

The spelling of 125054131 in words is "one hundred twenty-five million, fifty-four thousand, one hundred thirty-one".